| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Chamigny (Seine et Marne) | — | France | 3.1519 | 48.9739 | |
| Champagne | cnl00033885 | France | — | — | |
| Champeix (Puy-de-Dôme) | cnl00021031 | France | 3.1297 | 45.5894 | |
| Champigny-lès-Langres | cnl00025296 | — | — | — | |
| Champrond | cnl00018691 | France | — | — | |
| Champtercier | cnl00034045 | France | 6.1642 | 44.0961 | |
| Chandernagor | cnl00021764 | India | 88.363258 | 22.864773 | |
| Chaource | cnl00019889 | France | 4.1389 | 48.0594 | |
| Charenton | cnl00017945 | France | 2.41666666666667 | 48.8166666666667 | |
| Charleston (South Carolina) | cnl00026912 | United States | -79.9330555555556 | 32.7830555555556 | |
| Charleville | cnl00000276 | France | 4.71916666666667 | 49.77 | |
| Chartham (Kent) | cnl00050699 | England | 1.0205 | 51.255 | |
| Chartres | cnl00008178 | France | 1.5 | 48.45 | |
| Chartrettes | cnl00021976 | France | — | — | |
| Château d'Irlbach | cnl00018485 | — | — | — | |
| Château de Bennetot | cnl00020713 | France | 0.5531 | 49.6719 | |
| Château de Fénelon | cnl00019503 | France | 1.350278 | 44.842222 | |
| Château de La Peyre | cnl00020253 | — | 3.0 | 44.0830555555556 | |
| Château de Saint Cloud | cnl00050703 | France | 2.214722 | 48.8375 | |
| Château du Mesnil | cnl00022212 | — | — | — | |
| Château-du-Loir | cnl00014360 | France | 0.42 | 47.7 | |
| Château-Gontier | cnl00008188 | — | -0.7 | 47.8297222222222 | |
| Château-Thierry | cnl00008195 | France | 3.4 | 49.05 | |
| Chateaudun | cnl00021643 | France | — | — | |
| Châtellerault | cnl00008198 | France | 0.53 | 46.8 |