| Boucau to Cogolin | 402.81 mi (648.26 km) |
| Boucau to Colmar | 529.15 mi (851.58 km) |
| Boucau to Colombes | 413.57 mi (665.58 km) |
| Boucau to Colomiers | 141.47 mi (227.68 km) |
| Boucau to Combs-la-Ville | 404.86 mi (651.57 km) |
| Boucau to Comines | 542.59 mi (873.21 km) |
| Boucau to Compiegne | 455.61 mi (733.24 km) |
| Boucau to Concarneau | 322.72 mi (519.38 km) |
| Boucau to Conde-sur-l'Escaut | 534.71 mi (860.53 km) |
| Boucau to Conflans-Sainte-Honorine | 415.16 mi (668.14 km) |
| Boucau to Corbas | 347.35 mi (559.01 km) |
| Boucau to Corbeil-Essonnes | 399.73 mi (643.30 km) |
| Boucau to Cormeilles-en-Parisis | 415.64 mi (668.91 km) |
| Boucau to Cosne sur Loire | 343.12 mi (552.20 km) |
| Boucau to Coudekerque-Branche | 549.08 mi (883.66 km) |
