C
- Caen
- Callac
- Carentan
- Carnoles
- Carry-le-Rouet
- Castelsarrasin
- Castres
- Cazères
- Cerbère
- Chagny
- Challans
- Chambéry - Challes-les-Eaux
- Chambourg
- Champagnole
- Chanac
- Chartres
- Châteaudun
- Chauffailles
- Chaumont
- Chindrieux
- Clermont-Ferrand
- Cloyes
- Cluses
- Collioure
- Colmar
- Conflans - Jarny
- Connerré - Beillé
- Corbigny
- Coutances
- Cramoisy
- Culoz