| Caerphilly to Coudekerque-Branche | 245.26 mi (394.70 km) |
| Caerphilly to Coueron | 308.80 mi (496.97 km) |
| Caerphilly to Coulommiers | 337.62 mi (543.35 km) |
| Caerphilly to Courbevoic | 304.41 mi (489.91 km) |
| Caerphilly to Courcouronnes | 322.80 mi (519.50 km) |
| Caerphilly to Cournon-d'Auvergne | 497.88 mi (801.27 km) |
| Caerphilly to Courrieres | 278.82 mi (448.72 km) |
| Caerphilly to Coutras | 473.35 mi (761.78 km) |
| Caerphilly to Couzeix | 443.04 mi (713.01 km) |
| Caerphilly to Cran-Gevrier | 577.22 mi (928.94 km) |
| Caerphilly to Craponne | 541.37 mi (871.25 km) |
| Caerphilly to Creil | 297.68 mi (479.06 km) |
| Caerphilly to Crepy-en-Valois | 313.71 mi (504.86 km) |
| Caerphilly to Crest | 606.05 mi (975.35 km) |
| Caerphilly to Creteil | 316.46 mi (509.29 km) |
