C
- Caen
- Capdenac
- Carmaux
- Carnoles
- Carry-le-Rouet
- Castelnaudary
- Castres
- Cerbère
- Chagny
- Challans
- Champagnole
- Champigneulles
- Chasse-sur-Rhône
- Château-du-Loir
- Châteaudun
- Chaumont
- Cinq-mars-la-pile
- Clermont-Ferrand
- Commercy
- Compiègne
- Conflans - Jarny
- Corbigny
- Coucy-lès-eppes
- Cousance
- Coutances
- Coutras
- Crouy