| Mountain Ash to Carpentras | 654.98 mi (1,054.09 km) |
| Mountain Ash to Carquefou | 314.52 mi (506.17 km) |
| Mountain Ash to Carqueiranne | 738.63 mi (1,188.72 km) |
| Mountain Ash to Carrieres-sous-Poissy | 304.52 mi (490.07 km) |
| Mountain Ash to Carrieres-sur-Seine | 314.86 mi (506.73 km) |
| Mountain Ash to Carros | 733.42 mi (1,180.33 km) |
| Mountain Ash to Carvin | 286.92 mi (461.76 km) |
| Mountain Ash to Castanet-Tolosan | 607.90 mi (978.32 km) |
| Mountain Ash to Castelginest | 595.23 mi (957.93 km) |
| Mountain Ash to Castelnau-le-Lez | 650.23 mi (1,046.44 km) |
| Mountain Ash to Castelnaudary | 628.77 mi (1,011.91 km) |
| Mountain Ash to Castelsarrasin | 567.18 mi (912.78 km) |
| Mountain Ash to Castres | 616.36 mi (991.93 km) |
| Mountain Ash to Caudebec-les-Elbeuf | 254.75 mi (409.99 km) |
| Mountain Ash to Caudry | 314.69 mi (506.44 km) |
