Afghanistan
Hayward, CA – Ghazni, Afghanistan
San Diego – Jalalabad, Afghanistan
Union City, CA – Asadabad, Afghanistan
Argentina
San Clemente, CA – Balcarce, Argentina
San Clemente, CA – San Clemente del Tuyu, Argentina
San Clemente, CA – San Jose de Balcarce, Argentina
Armenia
Los Angeles, CA – Yerevan, Armenia
Pasadena, CA – Vanadzor, Armenia
Australia
San Diego, CA – Perth, Australia
San Francisco, CA – Sydney, Australia
Temple City, CA – Hawkesbury, Australia
Upland, CA – Mildura, Australia
Austria
San Diego, CA – Spittal an der Drau, Austria
Azerbaijan
Monterey, CA – Lankaran, Azerbaijan
Belarus
Bakersfield, CA – Partyzanski District, Minsk, Belarus
Belgium
Mountain View, CA – Hasselt, Belgium
Botswana
Burbank, CA – Gaborone, Botswana
Brazil
Los Angeles, CA – Salvador, Brazil
San Diego, CA – Campinas, Brazil
Cambodia
Long Beach, CA – Phnom Penh, Cambodia
Stockton, CA – Battambang, Cambodia
Canada
Culver City, CA – Lethbridge, Canada
Los Angeles, CA – Vancouver, Canada
Modesto, CA – Vernon, British Columbia, Canada
Ontario, CA – Brockville, Ontario, Canada
China
Alameda, CA – Jiangyin, China
Bakersfield, CA – Cixi, China
Beverly Hills, CA – Pudong District, Shanghai, China
Culver City, CA – Yanji, China
Long Beach, CA – Qingdao, China
Los Angeles, CA – Guangzhou, China
Malibu, CA – Lijiang, China
Menlo Park, CA – Xinbei District (Changzhou), China
Modest, CA – Mengzi, China
Ontario, CA – Jieyang, China
Palo Alto, CA – Yangpu District, Shanghai, China
Pasadena, CA – Xicheng, China
Redlands, CA – Linli, China
Redondo Beach, CA – Zhangjiagang, China
Redwood City, CA – Zhuhai, China
Richmond, CA – Zhoushan, China
Riverbank, CA – Fuyang, China
Riverside, CA – Jiangmen, China
Sacramento, CA – Jinan, China
San Bernardino, CA – Yushu, China
San Diego, CA – Yantai, China
San Francisco, CA – Shanghai, China
Santa Barbara, CA – Weihai, China
Stockton, CA – Foshan, China
Union City, CA – Liyang, China
Whittier, CA – Changshu, China
Costa Rica
San Jose, CA – San Jose, Costa Rica
Cote d’Ivoire
San Francisco, CA – Abidjan, Côte d’Ivoire
Croatia
Los Angeles, CA – Split, Croatia
Monterey, CA – Dubrovnik, Croatia
Cuba
Richmond, CA – Regla, Cuba
Santa Cruz, CA – Chivirico, Cuba
Czech Republic
Carlsbad, CA – Karlovy Vary, Czech Republic
Ecuador
Long Beach, CA – San Pablo de Manta, Ecuador
Santa Clarita, CA – Tena, Ecuador
Egypt
Los Angeles, CA – Giza, Egypt
El Salvador
Elk Grove, CA – Concepción de Ataco, El Salvador
Los Angeles, CA – San Salvador, El Salvador
England
Laguna Beach, CA – St Ives, Cornwall, England, United Kingdom
Finland
Pasadena, CA – Järvenpää, Finland
France
Beverly Hills, CA – Cannes, France
Laguna Beach, CA – Menton, France
Los Angeles, CA – Bordeaux, France
Modesto, CA – Laval, France
Newport Beach, CA – Antibes, France
Palo Alto, CA – Albi, France
San Diego, CA – Marseille, France
San Francisco, CA – Paris, France
South Francisco, CA – St. Jean Pied de Port, France
Germany
Los Angeles, CA – Berlin, Germany
Palo Alto, CA – Heidelberg, Germany
Pasadena, CA – Ludwigshafen, Germany
Riverside, CA – Erlangen, Germany
San Francisco, CA – Kiel, Germany
Santa Fe Springs, CA – Tirschenreuth, Germany
Santa Monica, CA – Hamm, Germany
Ghana
Riverside, CA – Obuasi, Ghana
San Diego, CA – Tema, Ghana
Greece
Los Angeles, CA – Athens, Greece
Santa Barbara, CA – Patras, Greece
San Francisco, CA – Thessaloniki, Greece
Guatemala
Livermore, CA – Quetzaltenango, Guatemala
Hungary
Walnut, CA – Siofok, Hungary
India
Bakersfield, CA – Amritsar, India
Cupertino, CA – Bhubaneswar, India
Los Angeles, CA – Mumbai, India
Menlo Park, CA – Kochi, India
Modesto, CA – Vijayawada, India
Riverside, CA – Hyderabad, India
San Francisco, CA – Bangalore, India
San Jose, CA – Pune, India
Union City, CA – Jalandhar, India
Indonesia
Los Angeles, CA – Jakarta, Indonesia
Iran
Los Angeles, CA – Tehran, Iran
Ireland
Menlo Park, CA – Galway, Ireland
Morgan Hill, CA – Headford, Ireland
San Francisco, CA – Cork, Ireland
San Jose, CA – Dublin, Ireland
Israel
Beverly Hills, CA – Herzliya, Israel
Los Angeles, CA – Eilat, Israel
Sacramento, CA – Ashkelon, Israel
San Francisco, CA – Haifa, Israel
Italy
Alameda, CA – Varazze, Italy
Beverly Hills, CA – Herzliya, Israel
Culver City, CA – Capo d’Orlando, Italy
Cupertino, CA – Copertino, Italy
Dana Point, CA – Sorrento, Italy
Lodi, CA – Lodi, Italy
Long Beach, CA – Venice, Italy
Los Angeles, CA – Ischia, Italy
Monterey, CA – Isola delle Femmine, Italy
Morgan Hill, CA – San Casciano in Val di Pesa, Italy
San Francisco, CA – Assisi, Italy
Santa Clara County, CA – Metropolitan City of Florence, Italy
Santa Cruz, CA – Sestri Levante, Italy
Santa Cruz, CA – Riva Trigoso, Italy
South San Francisco, CA – Lucca, Italy
Stockton, CA – Parma, Italy
Vallejo, CA – La Spezia, Italy
Walnut Creek, CA – Noceto, Italy
Japan
Anaheim, CA – Mito, Japan
Antioch, CA – Chichibu, Japan
Bakersfield, CA – Wakayama, Japan
Burbank, CA – Ota, Japan
Carlsbad, CA – Futtsu, Japan
Carson, CA – Soka, Japan
Culver City, CA – Kaizuka, Japan
Cupertino, CA – Toyokawa, Japan
Gardena, CA – Ichikawa, Japan
Hayward, CA – Funabashi, Japan
Hemet, CA – Kushimoto, Japan
Hemet, CA – Marumori, Japan
Irvine, CA – Tsukuba, Japan
Livermore, CA – Yotsukaido, Japan
Lodi, CA – Kofu, Japan
Long Beach, CA – Yokkaichi, Japan
Los Angeles, CA – Nagoya, Japan
Mendocino, CA – Miasa Omachi, Japan
Modesto, CA – Kurume, Japan
Morgan Hill, CA – Mizuho, Japan
Monterey, CA – Nanao, Japan
Mountain View, CA – Iwata, Japan
Newport Beach, CA – Okazaki, Japan
Palo Alto, CA – Tsuchiura, Japan
Pasadena, CA – Mishima, Japan
Redlands, CA – Hino, Japan
Redondo Beach, CA – Itoman, Japan
Richmond, CA – Shimada, Japan
Riverside, CA – Sendai, Japan
Sacramento, CA – Matsuyama, Japan
San Bernardino, CA – Tachikawa, Japan
San Diego, CA – Yokohama, Japan
San Francisco, CA – Osaka, Japan
San Jose, CA – Okayama, Japan
Santa Barbara, CA- Toba, Japan
Santa Cruz, CA – Shingu, Japan
Santa Monica, CA – Fujinomiya, Japan
Santa Monica, CA – Kizugawa, Japan
Sebastopol, CA – Takeo, Japan
South San Francisco, CA – Kishiwada, Japan
Stockton, CA – Shimizu, Shizuoka, Japan
Temecula, CA – Daisen (Nakayama), Japan
Vallejo, CA – Akashi, Japan
Jordan
San Francisco, CA – Amman, Jordan
Kenya
Long Beach, CA – Mombasa, Kenya
San Diego, CA – Amboseli, Kenya
Lebanon
Los Angeles, CA – Beirut, Lebanon
Lithuania
Los Angeles, CA – Kaunas, Lithuania
Mexico
Antioch, CA – Hidalgo del Parral, Mexico
Antioch, CA – Lazaro Cardenas, Mexico
Bakersfield, CA – Queretaro, Mexico
Beverly Hills, CA – Acapulco, Mexico
Culver City, CA – Uruapan, Mexico
Gardena, CA – Huatabampo, Mexico
Hayward, CA – San Felipe, Mexico
Hermosa Beach, CA – Loreto, Mexico
Irvine, CA – Hermosillo, Mexico
Laguna Beach, CA – San José del Cabo, Mexico
Long Beach, CA – Rosarito Beach, Mexico
Los Angeles, CA – Mexico City, Mexico
Modesto, CA – Aguascalientes, Mexico
Morgan Hill, CA – San Martin de Hidalgo, Mexico
Morgan Hill, CA – Ameca, Mexico
Newport Beach, CA – Ensenada, Mexico
Ontario, CA – Guamuchil, Mexico
Ontario, CA – Mocorito, Mexico
Palm Desert, CA – Ixtapa Zihuatanejo, Mexico
Palm Springs, CA – San Miguel de Allende, Mexico
Palo Alto, CA – Oaxaca, Mexico
Redlands, CA – San Miguel de Allende, Mexico
Redondo Beach, CA – Ensenada, Mexico
Redondo Beach, CA – La Paz, Mexico
Redwood City, CA – Colima, Mexico
Redwood City, CA – Ciudad Guzman, Mexico
Riverbank, CA – Tamazula de Gordiano, Mexico
Riverside, CA – Cuautla, Mexico
Riverside, CA – Ensenada, Mexico
Sacramento, CA – Mexicali, Mexico
San Diego, CA – Leon, Mexico
San Diego, CA – Tijuana, Mexico
San Jose, CA – Veracruz, Mexico
San Jose, CA – Guadalajara, Mexico
San Pablo, CA – Manzanillo, Mexico
Santa Barbara, CA – Puerto Vallarta, Mexico
Santa Fe Springs, CA – Navojoa, Mexico
Santa Monica, CA – Mazatlan, Mexico
South San Francisco, CA – Atotonilco, Mexico
Stockton, CA – Empalme, Mexico
Temple City, CA – Magdalena de Kino, Mexico
Union City, CA – Sana Rosalia, Mexico
Upland City, CA – Caborca, Mexico
Moldova
Sacramento, CA – Chisinau, Moldova
Montenegro
Santa Barbara, CA – Kotor, Montenegro
Sacramento, CA – Hamilton, New Zealand
Netherlands
Palo Alto, CA – Enschede, Netherlands
New Zealand
Los Angeles, CA – Auckland, New Zealand
Palm Desert, CA – Gisborne, New Zealand
Nicaragua
Sacramento, CA – San Juan de Oriente, Nicaragua
Santa Cruz, CA – Jinotepe, Nicaragua
Nigeria
Stockton, CA – Asaba, Nigeria
Norway
Vallejo, CA – Trondheim, Norway
Palestinian Territories
Sacramento, CA – Bethlehem, Palestinian Territories
Panama
San Diego, CA – Panama City, Panama
Philippines
Alameda, CA – Dumaguete, Philippines
Carson, CA – Parañaque, Philippines
Carson, CA – La Carlota, Philippines
Long Beach, CA – Bacolod, Philippines
Makati, CA – Makati, Philippines
Palo Alto, CA – Palo, Philippines
San Diego, CA – Cavite, Philippines
San Francisco, CA – Manila, Philippines
Santa Barbara, CA – San Juan, Philippines
Santa Clarita, CA – Sariaya, Philippines
South San Francisco, CA – Pasig City, Philippines
Stockton, CA – Iloilo, Philippines
Union City, CA – Baybay, Philippines
Union City, CA – Pasay, Philippines
Vallejo, CA – Baguio, Philippines
Poland
San Diego, CA – Warsaw, Poland
San Francisco, CA – Krakow, Poland
Portugal
Hayward, CA – Faro, Portugal
Russia
Livermore, CA – Snezhinsk, Russia
Long Beach, CA – Sochi, Russia
Los Angeles, CA – St. Petersburg, Russia
San Diego, CA – Vladivostok, Russia
San Jose, CA – Ekaterinburg, Russia
Santa Clara County, CA – Moscow, Russia
Scotland
San Diego, CA – Edinburgh, Scotland, United Kingdom
Senegal
Pasadena, CA – Dakar-Plateau, Senegal
South Korea
Alameda, CA – Yeongdong-Gun, South Korea
Bakersfield, CA – Bucheon, South Korea
Burbank, CA – Incheon, South Korea
Carson, CA – Wanju-Gu County, South Korea
Culver City, CA – Iksan, South Korea
Culver City, CA – Iri, South Korea
Irvine, CA – Seocho, South Korea
Irvine, CA – Nowon, South Korea
Los Angeles, CA – Busan, South Korea
Pasadena, CA – Paju, South Korea
Riverside, CA – Gangnam-Gu, South Korea
Sacramento, CA – Yongsan-Gu, South Korea
San Diego, CA – Jeonju, South Korea
San Francisco, CA – Seoul, South Korea
Vallejo, CA – Jincheon, South Korea
Spain
Anaheim, CA – Vitoria-Gasteiz, Spain
La Cañada Flintridge – Villanueva de la Cañada, Spain
Monterey, CA – Lleida, Spain
San Diego, CA – Alcalá de Henares, Spain
San Francisco, CA – Barcelona, Spain
Sweden
Burbank, CA – Solna, Sweden
Palo Alto, CA – Linkoping, Sweden
Switzerland
Ontario, CA – Winterthur, Switzerland
Sacramento, CA – Liestal, Switzerland
San Francisco, CA – Zurich, Switzerland
Taiwan
Cupertino, CA – Hsinchu, Taiwan
Irvine, CA – Taoyuan, Taiwan
Los Angeles, CA – New Taipei City, Taiwan
Monterey – Tainan City, Taiwan
San Diego, CA – Taichung, Taiwan
San Jose, CA – Tainan City, Taiwan
San Francisco, CA – Taipei, Taiwan
Santa Clara County, CA – Hsinchu County, Taiwan
Tanzania
Vallejo, CA – Bagamoyo, Tanzania
Thailand
Union City, CA – Chiang Rai, Thailand
Turkey
Long Beach, CA – Izmir, Turkey
Monterey, CA – Kusadasi, Turkey
Morgan Hill, CA – Seferihisar, Turkey
Uganda
Santa Cruz, CA – Kasese, Uganda
Ukraine
Modesto, CA – Khmelnytskyi, Ukraine
Santa Cruz, CA – Alushta, Ukraine
Sebastopol, CA – Chyhyryn, Ukraine
Vietnam
Riverside, CA – Can Tho, Vietnam
San Francisco, CA – Ho Chi Minh, Vietnam
Zambia
Los Angeles, CA – Lusaka, Zambia
