| Formia to Cognac | 761.86 mi (1,226.10 km) |
| Formia to Cogolin | 387.34 mi (623.36 km) |
| Formia to Colmar | 562.02 mi (904.49 km) |
| Formia to Colombes | 764.72 mi (1,230.69 km) |
| Formia to Colomiers | 646.13 mi (1,039.85 km) |
| Formia to Combs-la-Ville | 742.77 mi (1,195.37 km) |
| Formia to Comines | 828.61 mi (1,333.51 km) |
| Formia to Compiegne | 767.74 mi (1,235.56 km) |
| Formia to Concarneau | 973.32 mi (1,566.41 km) |
| Formia to Conde-sur-l'Escaut | 795.54 mi (1,280.30 km) |
| Formia to Conflans-Sainte-Honorine | 773.43 mi (1,244.71 km) |
| Formia to Corbas | 531.92 mi (856.04 km) |
| Formia to Corbeil-Essonnes | 743.08 mi (1,195.87 km) |
| Formia to Cormeilles-en-Parisis | 768.71 mi (1,237.11 km) |
| Formia to Cosne sur Loire | 676.69 mi (1,089.03 km) |
