Jiang yin City, People's Republic of China (Est. 10-2-2008)
(Alameda) (A)
Dumaguete, Negros Oriental, Philippines (Est. 6-5-2015)
(Alameda) (A)
Yeongdong-gun, South Korea (Est. 7-3-2017)
(Alameda) (A)
Varazze, Italy (Est. 9-5-2019)
(Alameda) (A)- Wuxi, People's Republic of China (Est. 2005)
(Alameda) (A) 
Wadi Fukin, Palestine
(Alameda) (A)
Asuchio, La Libertad Department, El Salvador
(Alameda) (A)- Rizhao, China
(Alhambra) (A) - Sanya, China
(Alhambra) (A) 
Mito, Japan
(Anaheim) (A)
Orlando, FL, USA
(Anaheim) (A)
Vitoria-Gasteiz, Spain
(Anaheim) (A)- Chichibu, Japan
(Antioch) (A) 
Lázaro Cárdenas, Mexico
(Antioch) (A)
Camoapa, Nicaragua
(Arcata) (A)- Zacatecas, Mexico
(Azusa) (A) - Bucheon, South Korea
(Bakersfield) (B) - Cixi, China
(Bakersfield) (B) 
Amritsar, India
(Bakersfield) (B)
Darwin, Australia
(Bakersfield) (B)
Minsk, Belarus
(Bakersfield) (B)- Santiago de Querétaro, Mexico
(Bakersfield) (B) - Wakayama, Japan
(Bakersfield) (B) 
Namur, Belgium
(Belmont) (B)- Tula, Hidalgo, Mexico
(Benicia) (B) - Blackfeet Nation, United States
(Berkeley) (B) 
Dmitrov, Russia
(Berkeley) (B)
Gao, Mali
(Berkeley) (B)
Jena, Germany
(Berkeley) (B)- León, Nicaragua
(Berkeley) (B) 
Oukasie, South Africa
(Berkeley) (B)
Palma Soriano, Cuba
(Berkeley) (B)- Sakai, Osaka, Japan
(Berkeley) (B) - San Antonio Los Ranchos, El Salvador
(Berkeley) (B) - Ulan-Ude, Russia
(Berkeley) (B) 
Uma-Bawang, Malaysia
(Berkeley) (B)
Yondó, Colombia
(Berkeley) (B)- Yurok Tribe, United States
(Berkeley) (B) - Acapulco, Mexico
(Beverly Hills) (B) 
Cannes, France
(Beverly Hills) (B)
Herzliya, Israel
(Beverly Hills) (B)
Kuwait City, Kuwait
(Beverly Hills) (B)- Pudong, China
(Beverly Hills) (B) 
Abtenau, Austria
(Big Bear Lake) (B)- Brisbane, Australia
(Brisbane) (B) 
Gaborone, Botswana
(Burbank) (B)- Incheon, South Korea
(Burbank) (B) - Ōta, Japan
(Burbank) (B) 
Solna, Sweden
(Burbank) (B)- Jericho, Palestine
(Calipatria) (C) - Futtsu, Japan
(Carlsbad) (C) 
Karlovy Vary, Czech Republic
(Carlsbad) (C)- La Carlota, Philippines
(Carson) (C) - Sōka, Japan
(Carson) (C) - Wanju-gun County, South Korea
(Carson) (C) - Loreto, Baja California Sur, Mexico
(Cerritos) (C) - Cebu City, Philippines
(Chula Vista) (C) - Odawara, Japan
(Chula Vista) (C) - Irapuato, Guanajuato, Mexico
(Chula Vista) (C) - Clunes, Australia
(Coloma) (C) 
Apia, Samoa
(Compton) (C)
Onitsha, Nigeria
(Compton) (C)- Kitakami, Japan
(Concord) (C) - Fuxin, Liaoning, China
(Corona) (C) - Gōtsu, Shimane, Japan
(Corona) (C) - Ocotlán, Jalisco, Mexico
(Corona) (C) 
Silkeborg, Denmark
(Corona) (C)- Okazaki, Japan
(Costa Mesa) (C) - Xalapa, Mexico
(Covina) (C) - Iksan, South Korea
(Culver City) (C) - Kaizuka, Japan
(Culver City) (C) 
Lethbridge, Alberta, Canada
(Culver City) (C)- Uruapan, Mexico
(Culver City) (C) 
Hsinchu, Taiwan
(Cupertino) (C)- Toyokawa, Japan
(Cupertino) (C) - Bhubaneswar, India
(Cupertino) (C) - Quezon City, Philippines
(Daly City) (D) - Inuyama, Japan
(Davis) (D) - Qufu, China
(Davis) (D) 
Uman, Ukraine
(Davis) (D)- : Arida, Japan
(Delano) (D) - : Bastogne, Belgium (1973)
(Dos Palos) (D) 
Bray, Ireland
(Dublin) (D)- Grahamstown, South Africa
(East Palo Alto) (E) - Comondu, Mexico
(El Cajon) (E) - Goulburn, Australia
(El Cajon) (E) - Sulzfeld, Germany
(El Cajon) (E) - Concepción de Ataco, El Salvador
(Elk Grove) (E) - Marcq-en-Barœul, France
(El Monte) (E) - Yongkang, Taiwan
(El Monte) (E) - Zamora, Michoacán, Mexico
(El Monte) (E) - Hondo, Japan
(Encinitas) (E) - Maebaru, Japan
(Escondido) (E) - Kamisu, Japan
(Eureka) (E) 
Nelson, New Zealand
(Eureka) (E)- Nirasaki, Japan
(Fairfield) (F) - Crespano del Grappa, Italy
(Folsom) (F) - Jiaohe, China
(Folsom) (F) - Ōtsuchi, Japan
(Fort Bragg) (F) - Elizabeth, Australia
(Fremont) (F) - Fukaya, Japan
(Fremont) (F) 
Baqubah, Iraq
(Fresno) (F)- Kōchi, Japan
(Fresno) (F) 
Lahore, Pakistan
(Fresno) (F)
Mashhad, Iran
(Fresno) (F)
Morogoro, Tanzania
(Fresno) (F)- Münster, Germany
(Fresno) (F) 
Taraz, Kazakhstan
(Fresno) (F)- Torreón, Coahuila, Mexico
(Fresno) (F) - Taishan, China
(Fresno) (F) - Verona, Italy
(Fresno) (F) - Fukui, Japan
(Fullerton) (F) - Morelia, Mexico
(Fullerton) (F) - Yongin, South Korea
(Fullerton) (F) - Huatabampo, Mexico
(Gardena) (G) - Ichikawa, Japan
(Gardena) (G) - Rosarito Beach, Mexico
(Gardena) (G) 
Angra Do Heroismo, Portugal
(Gilroy) (G)
Koror, Palau
(Gilroy) (G)- Monticelli d'Ongina, Italy
(Gilroy) (G) - Saint-Clar, France
(Gilroy) (G) - Takko, Japan
(Gilroy) (G) - Tecate, Mexico
(Gilroy) (G) - Higashiōsaka, Japan
(Glendale) (G) - Hiroshima, Japan
(Glendale) (G) 
Kapan, Armenia
(Glendale) (G)- Rosarito Beach, Mexico
(Glendale) (G) - Tlaquepaque, Mexico
(Glendale) (G) - Moka, Japan
(Glendora) (G) 
Bodmin, England, United Kingdom
(Grass Valley) (G)- Guanajuato, Mexico
(Greenfield) (G) - Oaxaca, Mexico
(Greenfield) (G) - : Serreta, Terceira, Azores, Portuguese Republic
(Gustine) (G) - Funabashi, Japan
(Hayward) (H) 
Ghazni, Afghanistan
(Hayward) (H)- Faro, Portugal
(Hayward) (H) - Cootamundra, Australia
(Hemet) (H) - Ebeltoft, Denmark
(Hemet) (H) - Kushimoto, Japan
(Hemet) (H) - Marumori, Japan
(Hemet) (H) - Tsushima, Japan
(Hercules) (H) - Loreto, Mexico
(Hermosa Beach) (H) 
Lachin, Azerbaijan
(Highland) (H)- Takino, Japan
(Hollister) (H) - Anjo, Japan
(Huntington Beach) (H) 
Bo, Sierra Leone
(Inglewood) (I)- Pedavena, Italy
(Inglewood) (I) 
Port Antonio, Jamaica
(Inglewood) (I)- Hermosillo, Mexico
(Irvine) (I) - Taoyuan District, Taiwan
(Irvine) (I) - Tsukuba, Japan
(Irvine) (I) - Salvatierra, Mexico
(Irwindale) (I) - Eunpyeong-gu, South Korea
(La Habra) (L) - San Miguel de Allende, Mexico
(La Habra) (L) - Isehara, Japan
(La Mirada) (L) - Shangyu, China
(Larkspur) (L) 
Quetzaltenango, Guatemala
(Livermore) (L)- Snezhinsk, Russia
(Livermore) (L) - Yotsukaidō, Japan
(Livermore) (L) - Wakami, Japan
(Livingston) (L) - Kofu, Japan
(Lodi) (L) - Lodi, Italy
(Lodi) (L) 
Libertador San Martín, Argentina
(Loma Linda) (L)- Manipal, India
(Loma Linda) (L) - Manipal, India
(Loma Linda) (L) - Takaishi, Japan
(Lomita) (L) - Cheyenne, Wyoming
(Lompoc) (L) - Inca, Spain
(Lompoc) (L) - Lake Placid, Florida
(Lompoc) (L) 
Locarno, Switzerland
(Lompoc) (L)- Namwon, South Korea
(Lompoc) (L) - Bacolod, Philippines
(Long Beach) (L) - Guadalajara, Mexico
(Long Beach) (L) 
İzmir, Turkey
(Long Beach) (L)- Kolkata, India
(Long Beach) (L) 
Manta, Ecuador
(Long Beach) (L)
Phnom Penh, Cambodia
(Long Beach) (L)- Qingdao, China
(Long Beach) (L) - Sochi, Russia
(Long Beach) (L) 
Valparaíso, Chile
(Long Beach) (L)- Yokkaichi, Japan
(Long Beach) (L) - Greater Bendigo, Australia
(Los Altos) (L) - Rustington, England, United Kingdom
(Los Altos) (L) - Shilin, Taiwan
(Los Altos) (L) - Syktyvkar, Russia
(Los Altos) (L) 
Athens, Greece
(Los Angeles) (L)- Auckland, New Zealand
(Los Angeles) (L) 
Beirut, Lebanon
(Los Angeles) (L)- Berlin, Germany
(Los Angeles) (L) - Bordeaux, France
(Los Angeles) (L) - Busan, South Korea
(Los Angeles) (L) - Eilat, Israel
(Los Angeles) (L) 
Giza, Egypt
(Los Angeles) (L)- Guangzhou, China
(Los Angeles) (L) - Ischia, Italy
(Los Angeles) (L) 
Jakarta, Indonesia
(Los Angeles) (L)
Kaunas, Lithuania
(Los Angeles) (L)
Lusaka, Zambia
(Los Angeles) (L)- Makati, Philippines
(Los Angeles) (L) - Mexico City, Mexico
(Los Angeles) (L) - Mumbai, India
(Los Angeles) (L) - Nagoya, Japan
(Los Angeles) (L) - Saint Petersburg, Russia
(Los Angeles) (L) 
Salvador, Brazil
(Los Angeles) (L)- San Salvador, El Salvador
(Los Angeles) (L) 
Split, Croatia
(Los Angeles) (L)- Taipei, Taiwan
(Los Angeles) (L) - Tehran, Iran
(Los Angeles) (L) - Vancouver, British Columbia, Canada
(Los Angeles) (L) - Yerevan, Armenia
(Los Angeles) (L) - Aguascalientes, Mexico
(Lynwood) (L) - Chihuahua, Mexico
(Lynwood) (L) - Zacatecas, Mexico
(Lynwood) (L) 
Dunbar, Scotland, United Kingdom (1981)
(Martinez) (M)- Hanchuan, China
(Martinez) (M) - Zacatecas, Mexico
(Martinez) (M) - Miasa, Japan
(Manteca) (M) - Bizen, Japan
(Menlo Park) (M) - Galway, Ireland
(Menlo Park) (M) - Albury, Australia
(Merced) (M) - Somoto, Nicaragua
(Merced) (M) - La Serena, Chile
(Millbrae) (M) 
Mosta, Malta
(Millbrae) (M)- Dagupan, Philippines
(Milpitas) (M) - Huizhou, China
(Milpitas) (M) - Tsukuba, Japan
(Milpitas) (M) - Khmelnytskyi, Ukraine
(Modesto) (M) - Kurume, Japan
(Modesto) (M) - Vijayawada, India
(Modesto) (M) - Vernon, British Columbia, Canada
(Modesto) (M) - Laval, France
(Modesto) (M) - Ashiya, Japan
(Montebello) (M) - Stepanakert, Nagorno-Karabakh
(Montebello) (M) - Dubrovnik, Croatia
(Monterey) (M) - Nanao, Japan
(Monterey) (M) - Trapani, Italy
(Monterey) (M) - Nachikatsuura, Japan
(Monterey Park) (M) - Quanzhou, China
(Monterey Park) (M) - Yung-ho, Taiwan
(Monterey Park) (M) - Yeongdeungpo-gu, South Korea
(Monterey Park) (M) - Morelia, Mexico
(Monterey Park) (M) - Headford, Ireland
(Morgan Hill) (M) - Mizuho, Japan
(Morgan Hill) (M) - San Casciano in Val di Pesa, Italy
(Morgan Hill) (M) - San Martín de Hidalgo, Mexico
(Morgan Hill) (M) - Seferihisar, Turkey
(Morgan Hill) (M) - Ameca, Mexico
(Morgan Hill) (M) - Hasselt, Belgium
(Mountain View) (M) - Iwata, Japan
(Mountain View) (M) - Casablanca Valley, Chile
(Napa Valley) (N) - Iwanuma, Japan
(Napa Valley) (N) 
Telavi, Georgia
(Napa Valley) (N)- Tecate, Mexico
(National City) (N) - Penzance, England, United Kingdom
(Nevada City) (N) - Antibes, France
(Newport Beach) (N) - Cabo San Lucas, Mexico
(Newport Beach) (N) - Okazaki, Japan
(Newport Beach) (N) 
Vung Tau, Vietnam
(Newport Beach) (N)- Yeosu, South Korea
(Newport Beach) (N) - Shepparton, Australia
(Novato) (N) 
Agadir, Morocco
(Oakland) (O)- Dalian, China
(Oakland) (O) - Da Nang, Vietnam
(Oakland) (O) - Fukuoka, Japan
(Oakland) (O) - Funchal, Portugal
(Oakland) (O) - Nakhodka, Russia
(Oakland) (O) - Ocho Rios, Jamaica
(Oakland) (O) - Santiago de Cuba, Cuba
(Oakland) (O) 
Sekondi-Takoradi, Ghana
(Oakland) (O)- A'ana, Samoa
(Oceanside) (O) - Ensenada, Mexico
(Oceanside) (O) - Fuji, Japan
(Oceanside) (O) - Kisarazu, Japan
(Oceanside) (O) - Brockville, Ontario, Canada
(Ontario) (O) - East Coast Bays, New Zealand
(Ontario) (O) - Guamuchil, Mexico
(Ontario) (O) - Mocorito, Mexico
(Ontario) (O) - Winterthur, Switzerland
(Ontario) (O) - Novo Kosino, Moscow, Russia
(Orange) (O) - Orange, Australia
(Orange) (O) - Orange, France
(Orange) (O) - Querétaro, Mexico
(Orange) (O) - Timaru, New Zealand
(Orange) (O) - Tábor, Czech Republic
(Orinda) (O) - Salem, Massachusetts
(Oroville) (O) - Balaguer, Catalonia, Spain
(Pacifica) (P) - Poncitlán, Mexico
(Palmdale) (P) - Albi, France
(Palo Alto) (P) 
Enschede, Netherlands
(Palo Alto) (P)- Linköping, Sweden
(Palo Alto) (P) - Oaxaca, Mexico
(Palo Alto) (P) - Palo, Philippines
(Palo Alto) (P) - Tsuchiura, Japan
(Palo Alto) (P) 
Järvenpää, Finland
(Pasadena) (P)- Ludwigshafen am Rhein, Germany
(Pasadena) (P) - Mishima, Japan
(Pasadena) (P) - Vanadzor, Armenia
(Pasadena) (P) - Xicheng District, Beijing, China
(Pasadena) (P) - San Luis Potosí, Mexico
(Pico Rivera) (P) - Shimonoseki, Japan
(Pittsburg) (P) - Yahualica, Mexico
(Pittsburg) (P) - Chilpancingo, Mexico
(Pleasant Hill) (P) - Merzifon, Turkey
(Pleasant Hill) (P) - Blairgowrie, Scotland, United Kingdom
(Pleasanton) (P) - Tulancingo, Mexico
(Pleasanton) (P) - Sakura, Japan
(Rancho Palos Verdes) (R) - Hino, Japan
(Redlands) (R) - San Miguel de Allende, Mexico
(Redlands) (R) - Ensenada, Mexico
(Redondo Beach) (R) - La Paz, Mexico
(Redondo Beach) (R) - Colima, Mexico
(Redwood City) (R) - Zhuhai, China
(Redwood City) (R) - Regla, Cuba
(Richmond) (R) - Shimada, Japan
(Richmond) (R) - Zhoushan, China
(Richmond) (R) - Fuyang, China
(Riverbank) (R) - Fürstenfeld, Austria
(Riverbank) (R) - Tamazula de Gordiano, Mexico
(Riverbank) (R) - Cần Thơ, Vietnam
(Riverside) (R) - Cuautla, Mexico
(Riverside) (R) - Ensenada, Mexico
(Riverside) (R) - Erlangen, Germany
(Riverside) (R) - Hyderabad, India
(Riverside) (R) - Gangnam, South Korea
(Riverside) (R) - Jiangmen, China
(Riverside) (R) - Obuasi, Ghana
(Riverside) (R) - Sendai, Japan
(Riverside) (R) - Hashimoto, Japan
(Rohnert Park) (R) - Keelung, Taiwan
(Rosemead) (R) - Zapopan, Mexico
(Rosemead) (R) - Chignahuapan, Mexico
(Roseville) (R) - Sehmatal, Germany
(Running Springs) (R) - Ashkelon, Israel
(Sacramento) (S) - Bethlehem, Palestine
(Sacramento) (S) 
Chişinău, Moldova
(Sacramento) (S)- Hamilton, New Zealand
(Sacramento) (S) - Jinan, China
(Sacramento) (S) - Liestal, Switzerland
(Sacramento) (S) - Manila, Philippines
(Sacramento) (S) - Matsuyama, Japan
(Sacramento) (S) - Yongsan-gu, South Korea
(Sacramento) (S) - Cebu City, Philippines
(Salinas) (S) - Jerecuaro, Mexico
(Salinas) (S) - Kushikino, Japan
(Salinas) (S) - Herzliya, Israel
(San Bernardino) (S) - Ile-Ife, Nigeria
(San Bernardino) (S) 
Kigali, Rwanda
(San Bernardino) (S)- Mexicali, Mexico
(San Bernardino) (S) - Roxas, Philippines
(San Bernardino) (S) - Tachikawa, Japan
(San Bernardino) (S) - Tauranga, New Zealand
(San Bernardino) (S) - Villahermosa, Mexico
(San Bernardino) (S) - Zavolzhye, Russia
(San Bernardino) (S) - Narita, Japan
(San Bruno) (S) - Okotoks, Alberta, Canada
(San Carlos) (S) - San José de Balcarce, Argentina
(San Clemente) (S) - San Clemente del Tuyu, Argentina
(San Clemente) (S) - Alcalá de Henares, Spain (1982)
(San Diego) (S) - Campinas, Brazil (1995)
(San Diego) (S) - Cavite City, Philippines (1969)
(San Diego) (S) - Edinburgh, Scotland, United Kingdom (1977)
(San Diego) (S) - Jalalabad, Afghanistan (2004)
(San Diego) (S) - Jeonju, South Korea (1982)
(San Diego) (S) - Leon, Mexico (1969)
(San Diego) (S) - Perth, Australia (1986)
(San Diego) (S) - Taichung City, Taiwan (1983)
(San Diego) (S) - Tema, Ghana (1976)
(San Diego) (S) - Tijuana, Mexico (1993)
(San Diego) (S) - Vladivostok, Russia (1991)
(San Diego) (S) 
Warsaw, Poland (1996)
(San Diego) (S)- Yantai, China (1985)
(San Diego) (S) - Yokohama, Japan (1957)
(San Diego) (S) 
Abidjan, Côte d'Ivoire (1986)
(San Francisco) (S)
Amman, Jordan (2010)
(San Francisco) (S)- Assisi, Italy (1969)
(San Francisco) (S) - Bangalore, India (2009)
(San Francisco) (S) - Barcelona, Spain (2010)
(San Francisco) (S) - Cork, Ireland (1984)
(San Francisco) (S) - Haifa, Israel (1973)
(San Francisco) (S) - Ho Chi Minh City, Vietnam (1995)
(San Francisco) (S) - Kiel, Germany (2017)
(San Francisco) (S) - Kraków, Poland (2009)
(San Francisco) (S) - Manila, Philippines (1981)
(San Francisco) (S) - Osaka, Japan (1957-2018) (Mayor of Osaka unilaterally ended relationship in 2018 after "comfort women" statue controversy)
(San Francisco) (S) - Paris, France (1996)
(San Francisco) (S) - Seoul, South Korea (1975)
(San Francisco) (S) - Shanghai, China (1979)
(San Francisco) (S) - Sydney, Australia (1968)
(San Francisco) (S) - Taipei, Taiwan (1970)
(San Francisco) (S) - Thessaloniki, Greece (1990)
(San Francisco) (S) - Zürich, Switzerland (2003)
(San Francisco) (S) - Dublin, Ireland (1986)
(San José) (S) - Pune, India (1992)
(San José) (S) - Okayama, Japan (1957)
(San José) (S) - Indore, India
(San José) (S) - Tainan City, Taiwan (1975)
(San José) (S) 
San José, Costa Rica (1961)
(San José) (S)- Veracruz, Mexico (1975)
(San José) (S) - Yekaterinburg, Russia (1992)
(San José) (S) - Kanpur, India
(San José) (S) - Guadalajara, Mexico
(San José) (S) - Naga City, Philippines
(San Leandro) (S) - Ribeirao Preto, Brazil
(San Leandro) (S) - Narvacan, Philippines
(San Luis Obispo) (S) - San Pablo City, Philippines
(San Mateo) (S) - Toyonaka, Japan
(San Mateo) (S) - Varde, Denmark
(San Mateo) (S) - Manzanillo, Mexico
(San Pedro) (S) - Lonate Pozzolo, Italy
(San Rafael) (S) - Dingle, Ireland
(Santa Barbara) (S) - Palma de Mallorca, Spain
(Santa Barbara) (S) - Puerto Vallarta, Mexico
(Santa Barbara) (S) - San Juan City, Philippines
(Santa Barbara) (S) - Toba, Japan
(Santa Barbara) (S) - Weihai, China
(Santa Barbara) (S) - Yalta, Ukraine
(Santa Barbara) (S) 
Kotor, Montenegro
(Santa Barbara) (S)- Coimbra, Portugal
(Santa Clara) (S) - Izumo, Japan
(Santa Clara) (S) - Florence Province, Italy
(Santa Clara County) (S) - Hsinchu County, Taiwan
(Santa Clara County) (S) - Moscow Oblast, Russia
(Santa Clara County) (S) - Sariaya, Philippines
(Santa Clarita) (S) - Tena, Ecuador
(Santa Clarita) (S) - Alushta, Ukraine
(Santa Cruz) (S) - Jinotepe, Nicaragua
(Santa Cruz) (S) 
Puerto la Cruz, Venezuela
(Santa Cruz) (S)- Sestri Levante, Italy
(Santa Cruz) (S) - Shingu, Japan
(Santa Cruz) (S) - Navojoa, Mexico
(Santa Fe Springs) (S) - Tirschenreuth, Germany
(Santa Fe Springs) (S) - Fujinomiya, Japan
(Santa Monica) (S) - Hamm, Germany
(Santa Monica) (S) - Mazatlán, Mexico
(Santa Monica) (S) - Cherkasy, Ukraine
(Santa Rosa) (S) - Jeju City, South Korea
(Santa Rosa) (S) - Los Mochis, Mexico
(Santa Rosa) (S) - Harlem, New York (1956)
(Saratoga) (S) - Muko, Japan (1983)
(Saratoga) (S) - Sakaide, Japan
(Sausalito) (S) - Vina del Mar, Chile
(Sausalito) (S) - Chyhyryn, Ukraine
(Sebastopol) (S) - Yamauchi, Saga, Japan (?-2006)
(Sebastopol) (S) - Aalborg, Denmark (1971)
(Solvang) (S) - Chambolle-Musigny, France
(Sonoma) (S) - Greve in Chianti, Italy
(Sonoma) (S) - Kaniv, Ukraine
(Sonoma) (S) - Patzcuaro, Mexico
(Sonoma) (S) - Aswan, Egypt
(Sonoma) (S) - Penglai, China
(Sonoma) (S) 
Tokay, Hungary
(Sonoma) (S)- Gómez Palacio, Mexico
(South El Monte) (S) - Atotonilco, Mexico
(South San Francisco) (S) - Kishiwada, Japan
(South San Francisco) (S) - Lucca, Italy
(South San Francisco) (S) - Pasig City, Philippines
(South San Francisco) (S) - Asaba, Nigeria
(Stockton) (S) - Battambang, Cambodia
(Stockton) (S) - Empalme, Sonora, Mexico
(Stockton) (S) - Iloilo, Philippines
(Stockton) (S) - Foshan, China
(Stockton) (S) - Parma, Italy
(Stockton) (S) - Shimizu, Japan
(Stockton) (S) - Daisen-Nakayama, Japan
(Temecula) (T) - Leidschendam-Voorburg, Netherlands (1993)
(Temecula) (T) - Hawkesbury, Australia
(Temple City) (T) - Kashiwa, Japan
(Torrance) (T) - Memuro, Japan
(Tracy) (T) 
Chiang Rai, Thailand
(Union City) (U)- Chinchongun, South Korea
(Union City) (U) - Jalandhar, India
(Union City) (U) - Pasay City, Philippines
(Union City) (U) - Santa Rosalia, Mexico
(Union City) (U) - Troisk, Russia
(Union City) (U) - Caborca, Mexico
(Upland) (U) - Mildura, Australia
(Upland) (U) - Akashi, Japan
(Vallejo) (V) - Bagamoyo, Tanzania
(Vallejo) (V) - Baguio, Philippines
(Vallejo) (V) - Chinchongun, South Korea
(Vallejo) (V) - La Spezia, Italy
(Vallejo) (V) 
Trondheim, Norway
(Vallejo) (V)- Calamba City, Philippines
(Walnut) (W) - Shilin, Taiwan
(Walnut) (W) - Noceto, Italy
(Walnut Creek) (W) - Siófok, Hungary
(Walnut Creek) (W) - Corn Island, Nicaragua
(Waterford) (W) - Changshu, China
(Whittier) (W) - La Piedad, Mexico
(Woodland) (W) - Šiauliai County, Lithuania
(Yolo County) (Y) - Fujishiro, Japan
(Yuba City) (Y)
New Random Display Display All Items(491)