| Kreis Köln/Regierungsbezirk Köln/Cologne District |
Nordrhein-Westfalen |
| Colombia |
Südamerika/South America |
| Colombia/Kolumbien |
Südamerika/South America |
| Colorado |
|
| Colquechaca |
Dep. Potosí/Departamento de Potosí |
| Columbia |
South Carolina |
| Commonwealth of Nations |
|
| Djebel Hammimat Mine, Aïn Babouche/Commune d’‘Aïn Babouche |
Oum El Bouaghi/Oum el Bouaghi |
| Comuna Pietroasele |
Judeţul Buzău/Buzău |
| Comuna Sãliştea |
Alba |
| Concise |
Jura-Nord vaudois District |
| Kongo/Congo River |
Africa/Afrika |
| Connecticut |
U.S.A./United States of America/USA |
| Cook Islands/Cook-Inseln |
Oceania/Ozeanien |
| Copacabana |
Dep. La Paz/Departamento La Paz/Departamento de La Paz |
| Kopenhagen/Copenhagen |
Capital Region |
| Copán |
Republic of Honduras/Honduras |
| Córdoba/Cordoba |
Argentina/Argentinien |
| Tenea/Corinth |
Peloponnes/Peleponnes/Peloponnese |
| Cornwall |
England/England, United Kingdom |
| Coro Coro |
La Paz |
| Coroico |
Dep. La Paz/Departamento La Paz/Departamento de La Paz |
| Cortaillod |
Neuchâtel/Kanton Neuenburg |
| Küste Ecuador/Costa/Región Costa (Ecuador) |
Ekuador/Ecuador |