| Grottaferrata to Cognac | 701.83 mi (1,129.49 km) |
| Grottaferrata to Cogolin | 328.62 mi (528.87 km) |
| Grottaferrata to Colmar | 506.35 mi (814.90 km) |
| Grottaferrata to Colombes | 705.17 mi (1,134.86 km) |
| Grottaferrata to Colomiers | 588.71 mi (947.43 km) |
| Grottaferrata to Combs-la-Ville | 683.15 mi (1,099.42 km) |
| Grottaferrata to Comines | 771.51 mi (1,241.62 km) |
| Grottaferrata to Compiegne | 708.99 mi (1,141.01 km) |
| Grottaferrata to Concarneau | 912.67 mi (1,468.81 km) |
| Grottaferrata to Conde-sur-l'Escaut | 738.59 mi (1,188.65 km) |
| Grottaferrata to Conflans-Sainte-Honorine | 713.87 mi (1,148.87 km) |
| Grottaferrata to Corbas | 471.20 mi (758.32 km) |
| Grottaferrata to Corbeil-Essonnes | 683.38 mi (1,099.79 km) |
| Grottaferrata to Cormeilles-en-Parisis | 709.18 mi (1,141.31 km) |
| Grottaferrata to Cosne sur Loire | 616.29 mi (991.83 km) |
