| Cwmbran to Carpentras | 643.77 mi (1,036.04 km) |
| Cwmbran to Carquefou | 308.68 mi (496.77 km) |
| Cwmbran to Carqueiranne | 727.31 mi (1,170.50 km) |
| Cwmbran to Carrieres-sous-Poissy | 291.09 mi (468.46 km) |
| Cwmbran to Carrieres-sur-Seine | 301.30 mi (484.89 km) |
| Cwmbran to Carros | 721.10 mi (1,160.50 km) |
| Cwmbran to Carvin | 271.57 mi (437.05 km) |
| Cwmbran to Castanet-Tolosan | 600.09 mi (965.76 km) |
| Cwmbran to Castelginest | 587.40 mi (945.33 km) |
| Cwmbran to Castelnau-le-Lez | 640.12 mi (1,030.18 km) |
| Cwmbran to Castelnaudary | 620.60 mi (998.76 km) |
| Cwmbran to Castelsarrasin | 559.52 mi (900.46 km) |
| Cwmbran to Castres | 607.75 mi (978.07 km) |
| Cwmbran to Caudebec-les-Elbeuf | 241.73 mi (389.03 km) |
| Cwmbran to Caudry | 299.47 mi (481.94 km) |
