| Boucau to Coueron | 255.35 mi (410.95 km) |
| Boucau to Coulommiers | 425.86 mi (685.36 km) |
| Boucau to Courbevoic | 412.00 mi (663.06 km) |
| Boucau to Courcouronnes | 399.14 mi (642.35 km) |
| Boucau to Cournon-d'Auvergne | 276.58 mi (445.11 km) |
| Boucau to Courrieres | 522.48 mi (840.84 km) |
| Boucau to Coutras | 124.49 mi (200.35 km) |
| Boucau to Couzeix | 210.53 mi (338.81 km) |
| Boucau to Cran-Gevrier | 407.14 mi (655.23 km) |
| Boucau to Craponne | 341.61 mi (549.77 km) |
| Boucau to Creil | 438.93 mi (706.38 km) |
| Boucau to Crepy-en-Valois | 446.09 mi (717.92 km) |
| Boucau to Crest | 333.27 mi (536.35 km) |
| Boucau to Creteil | 409.97 mi (659.78 km) |
| Boucau to Creutzwald | 552.85 mi (889.72 km) |
