| Boucau to Cosenza | 962.10 mi (1,548.35 km) |
| Boucau to Cossato | 495.52 mi (797.46 km) |
| Boucau to Costa Volpino | 590.51 mi (950.34 km) |
| Boucau to Creazzo | 652.99 mi (1,050.89 km) |
| Boucau to Crema | 565.00 mi (909.28 km) |
| Boucau to Cremona | 579.61 mi (932.80 km) |
| Boucau to Crevalcore | 631.53 mi (1,016.35 km) |
| Boucau to Crispiano | 979.05 mi (1,575.63 km) |
| Boucau to Crosia | 980.41 mi (1,577.82 km) |
| Boucau to Crotone | 1,010.63 mi (1,626.46 km) |
| Boucau to Cuneo | 453.16 mi (729.29 km) |
| Boucau to Cuorgne | 468.37 mi (753.77 km) |
| Boucau to Cusano Milanino | 543.36 mi (874.46 km) |
| Boucau to Cutro | 1,005.45 mi (1,618.12 km) |
| Boucau to Cutrofiano | 1,038.00 mi (1,670.49 km) |
