| Castelldefels to Cognac | 326.23 mi (525.01 km) |
| Castelldefels to Cogolin | 269.71 mi (434.06 km) |
| Castelldefels to Colmar | 538.83 mi (867.16 km) |
| Castelldefels to Colombes | 528.29 mi (850.20 km) |
| Castelldefels to Colomiers | 164.52 mi (264.77 km) |
| Castelldefels to Combs-la-Ville | 511.39 mi (823.00 km) |
| Castelldefels to Comines | 656.93 mi (1,057.22 km) |
| Castelldefels to Compiegne | 563.56 mi (906.96 km) |
| Castelldefels to Concarneau | 539.85 mi (868.81 km) |
| Castelldefels to Conde-sur-l'Escaut | 638.23 mi (1,027.13 km) |
| Castelldefels to Conflans-Sainte-Honorine | 533.38 mi (858.39 km) |
| Castelldefels to Corbas | 336.74 mi (541.93 km) |
| Castelldefels to Corbeil-Essonnes | 507.32 mi (816.46 km) |
| Castelldefels to Cormeilles-en-Parisis | 531.71 mi (855.70 km) |
| Castelldefels to Cosne sur Loire | 426.14 mi (685.80 km) |
