| Castelfidardo to Coudekerque-Branche | 737.84 mi (1,187.43 km) |
| Castelfidardo to Coueron | 783.98 mi (1,261.69 km) |
| Castelfidardo to Coulommiers | 621.66 mi (1,000.47 km) |
| Castelfidardo to Courbevoic | 656.80 mi (1,057.02 km) |
| Castelfidardo to Courcouronnes | 640.35 mi (1,030.55 km) |
| Castelfidardo to Cournon-d'Auvergne | 532.42 mi (856.85 km) |
| Castelfidardo to Courrieres | 693.94 mi (1,116.79 km) |
| Castelfidardo to Coutras | 684.63 mi (1,101.80 km) |
| Castelfidardo to Couzeix | 626.57 mi (1,008.36 km) |
| Castelfidardo to Cran-Gevrier | 402.37 mi (647.54 km) |
| Castelfidardo to Craponne | 461.44 mi (742.62 km) |
| Castelfidardo to Creil | 661.09 mi (1,063.93 km) |
| Castelfidardo to Crepy-en-Valois | 645.00 mi (1,038.02 km) |
| Castelfidardo to Crest | 431.67 mi (694.71 km) |
| Castelfidardo to Creteil | 644.84 mi (1,037.77 km) |
