| Caernarfon to Cognac | 543.78 mi (875.12 km) |
| Caernarfon to Cogolin | 843.09 mi (1,356.81 km) |
| Caernarfon to Colmar | 616.86 mi (992.74 km) |
| Caernarfon to Colombes | 406.12 mi (653.59 km) |
| Caernarfon to Colomiers | 706.16 mi (1,136.45 km) |
| Caernarfon to Combs-la-Ville | 428.52 mi (689.64 km) |
| Caernarfon to Comines | 350.58 mi (564.21 km) |
| Caernarfon to Compiegne | 399.96 mi (643.68 km) |
| Caernarfon to Concarneau | 364.08 mi (585.93 km) |
| Caernarfon to Conde-sur-l'Escaut | 383.62 mi (617.38 km) |
| Caernarfon to Conflans-Sainte-Honorine | 397.58 mi (639.84 km) |
| Caernarfon to Corbas | 659.65 mi (1,061.60 km) |
| Caernarfon to Corbeil-Essonnes | 429.11 mi (690.59 km) |
| Caernarfon to Cormeilles-en-Parisis | 401.99 mi (646.94 km) |
| Caernarfon to Cosne sur Loire | 507.09 mi (816.08 km) |
