| Hwlffordd to Cognac | 471.55 mi (758.89 km) |
| Hwlffordd to Cogolin | 796.04 mi (1,281.10 km) |
| Hwlffordd to Colmar | 604.29 mi (972.51 km) |
| Hwlffordd to Colombes | 375.02 mi (603.54 km) |
| Hwlffordd to Colomiers | 636.53 mi (1,024.39 km) |
| Hwlffordd to Combs-la-Ville | 396.58 mi (638.23 km) |
| Hwlffordd to Comines | 351.99 mi (566.47 km) |
| Hwlffordd to Compiegne | 379.12 mi (610.13 km) |
| Hwlffordd to Concarneau | 275.18 mi (442.86 km) |
| Hwlffordd to Conde-sur-l'Escaut | 382.53 mi (615.63 km) |
| Hwlffordd to Conflans-Sainte-Honorine | 366.31 mi (589.51 km) |
| Hwlffordd to Corbas | 616.97 mi (992.92 km) |
| Hwlffordd to Corbeil-Essonnes | 396.00 mi (637.30 km) |
| Hwlffordd to Cormeilles-en-Parisis | 371.15 mi (597.31 km) |
| Hwlffordd to Cosne sur Loire | 465.33 mi (748.87 km) |
