| Cerro Narrío |
Provincia del Cañar |
| Lago Chungará am Berg Parinacota/Cerro Parinacota |
Grenzgebiet Bolivien / Chile |
| Cerro de Oro |
|
| Cesena |
Provincia di Forlì-Cesena |
| Cetona |
Provincia di Siena |
| Sri Lanka/Ceylon |
Southern Asia/Südasien |
| Chalon-sur-Saone/Chalon-sur-Saône |
Bourgogne-Franche-Comté |
| Chamonix-Mont-Blanc/Chamonix Mont-Blanc |
Haute-Savoie |
| Charente |
Région Nouvelle-Aquitaine/Nouvelle-Aquitaine |
| Charleville-Mézières/Charleville-mezieres |
Ardennes |
| Charlottenburg |
Land Berlin |
| Chaumont |
Grand Est/Région Grand Est |
| Chelyabinskaya Oblast/Oblast Tscheljabinsk/Chelyabinsk |
Ural |
| Tscheljabinsk/Chelyabinsk |
Russland/Russia |
| Chemnitz-Rottluff/Altendorf/Rottluff |
Sachsen/Saxony |
| Oblast Tscherniwzi (ehem. Teil von Bukowina)/Chernivtsi |
Ukraine |
| Insterburg/Chernyakhovsk |
Kaliningradskaya Oblast’ |
| Chessy-les-Mines/Chessy |
Rhône/Rhone |
| Chester County/Chester |
Pennsylvania |
| Chicago |
U.S.A./United States of America/USA |
| Chichén-Itzá |
Mexico/Mexiko |
| Chile |
Südamerika/South America |
| Chimbote |
Departamento Ancash/Ancash |
| China |
Asia/Asien |