| Caernarfon to Coudekerque-Branche | 318.19 mi (512.08 km) |
| Caernarfon to Coueron | 424.50 mi (683.16 km) |
| Caernarfon to Coulommiers | 437.33 mi (703.81 km) |
| Caernarfon to Courbevoic | 407.48 mi (655.77 km) |
| Caernarfon to Courcouronnes | 427.02 mi (687.23 km) |
| Caernarfon to Cournon-d'Auvergne | 610.67 mi (982.78 km) |
| Caernarfon to Courrieres | 359.52 mi (578.60 km) |
| Caernarfon to Coutras | 589.88 mi (949.32 km) |
| Caernarfon to Couzeix | 559.04 mi (899.69 km) |
| Caernarfon to Cran-Gevrier | 681.67 mi (1,097.04 km) |
| Caernarfon to Craponne | 650.33 mi (1,046.61 km) |
| Caernarfon to Creil | 396.45 mi (638.03 km) |
| Caernarfon to Crepy-en-Valois | 410.62 mi (660.83 km) |
| Caernarfon to Crest | 716.84 mi (1,153.65 km) |
| Caernarfon to Creteil | 419.32 mi (674.83 km) |
