| City | Country |
|---|---|
| Caxias do Sul | Brazil |
| Calicut | India |
| Cusco | Peru |
| Campina Grande | Brazil |
| Carapicuiba | Brazil |
| Cilegon | Indonesia |
| Cainta | Philippines |
| Christchurch | New Zealand |
| Cumana | Venezuela |
| Coventry | United Kingdom |
| Caerdydd | United Kingdom |
| Cabuyao | Philippines |
| Cubal | Angola |
| Corrientes | Argentina |
| Cabimas | Venezuela |
| Cariacica | Brazil |
| Chita | Russia |
| Chitungwiza | Zimbabwe |
| Caruaru | Brazil |
| Cuddapah | India |
| Cuernavaca | Mexico |
| Chinju | South Korea |
| Cuenca | Ecuador |
| Ciudad Obregon | Mexico |
| Cabanatuan City | Philippines |
| Cotabato | Philippines |
| Cluj-Napoca | Romania |
| Canoas | Brazil |
| Caucaia | Brazil |
| Ciudad del Este | Paraguay |
| Cordoba | Spain |
| Camaguey | Cuba |
| Cherepovets | Russia |
| Coatzacoalcos | Mexico |
| Cirebon | Indonesia |
| Ca Mau | Vietnam |
| Catania | Italy |
| Chalco | Mexico |
| Ciudad Victoria | Mexico |
| Ciudad Santa Catarina | Mexico |
| Curepipe | Mauritius |
| Ciudad General Escobedo | Mexico |
| Coatepeque | Guatemala |
| Central Coast | Australia |
| Chernihiv | Ukraine |
| Comilla | Bangladesh |
| Camacari | Brazil |
| Cascavel | Brazil |
| Constanta | Romania |
| Coro | Venezuela |