| Challans to Cogolin | 479.33 mi (771.40 km) |
| Challans to Colmar | 439.39 mi (707.12 km) |
| Challans to Colombes | 239.15 mi (384.87 km) |
| Challans to Colomiers | 272.64 mi (438.77 km) |
| Challans to Combs-la-Ville | 241.53 mi (388.71 km) |
| Challans to Comines | 349.96 mi (563.21 km) |
| Challans to Compiegne | 280.06 mi (450.72 km) |
| Challans to Concarneau | 119.05 mi (191.59 km) |
| Challans to Conde-sur-l'Escaut | 352.35 mi (567.05 km) |
| Challans to Conflans-Sainte-Honorine | 236.62 mi (380.81 km) |
| Challans to Corbas | 333.86 mi (537.29 km) |
| Challans to Corbeil-Essonnes | 236.52 mi (380.64 km) |
| Challans to Cormeilles-en-Parisis | 239.31 mi (385.13 km) |
| Challans to Cosne sur Loire | 229.08 mi (368.67 km) |
| Challans to Coudekerque-Branche | 347.59 mi (559.39 km) |
