| Castelfidardo to Cognac | 699.07 mi (1,125.04 km) |
| Castelfidardo to Cogolin | 352.66 mi (567.55 km) |
| Castelfidardo to Colmar | 436.52 mi (702.50 km) |
| Castelfidardo to Colombes | 657.74 mi (1,058.54 km) |
| Castelfidardo to Colomiers | 611.06 mi (983.40 km) |
| Castelfidardo to Combs-la-Ville | 636.78 mi (1,024.80 km) |
| Castelfidardo to Comines | 705.60 mi (1,135.56 km) |
| Castelfidardo to Compiegne | 654.45 mi (1,053.24 km) |
| Castelfidardo to Concarneau | 894.24 mi (1,439.14 km) |
| Castelfidardo to Conde-sur-l'Escaut | 672.19 mi (1,081.78 km) |
| Castelfidardo to Conflans-Sainte-Honorine | 666.41 mi (1,072.49 km) |
| Castelfidardo to Corbas | 451.65 mi (726.86 km) |
| Castelfidardo to Corbeil-Essonnes | 637.92 mi (1,026.64 km) |
| Castelfidardo to Cormeilles-en-Parisis | 661.50 mi (1,064.59 km) |
| Castelfidardo to Cosne sur Loire | 581.96 mi (936.58 km) |
