| Boucau to Cherbourg | 422.17 mi (679.42 km) |
| Boucau to Chevigny-Saint-Sauveur | 413.65 mi (665.70 km) |
| Boucau to Chevilly-Larue | 406.08 mi (653.53 km) |
| Boucau to Chilly-Mazarin | 401.31 mi (645.85 km) |
| Boucau to Choisy-le-Roi | 407.09 mi (655.14 km) |
| Boucau to Cholet | 246.12 mi (396.10 km) |
| Boucau to Clamart | 406.29 mi (653.86 km) |
| Boucau to Claye-Souilly | 424.22 mi (682.71 km) |
| Boucau to Clermont | 444.96 mi (716.09 km) |
| Boucau to Clermont-Ferrand | 273.44 mi (440.05 km) |
| Boucau to Clermont-l'Herault | 246.29 mi (396.36 km) |
| Boucau to Clichy | 413.52 mi (665.49 km) |
| Boucau to Clichy-sous-Bois | 419.16 mi (674.57 km) |
| Boucau to Cluses | 432.30 mi (695.72 km) |
| Boucau to Cognac | 160.52 mi (258.33 km) |
