| Grammichele to Cognac | 968.91 mi (1,559.32 km) |
| Grammichele to Cogolin | 596.83 mi (960.50 km) |
| Grammichele to Colmar | 836.13 mi (1,345.63 km) |
| Grammichele to Colombes | 1,019.60 mi (1,640.88 km) |
| Grammichele to Colomiers | 826.10 mi (1,329.49 km) |
| Grammichele to Combs-la-Ville | 997.20 mi (1,604.84 km) |
| Grammichele to Comines | 1,097.14 mi (1,765.68 km) |
| Grammichele to Compiegne | 1,028.48 mi (1,655.18 km) |
| Grammichele to Concarneau | 1,192.49 mi (1,919.13 km) |
| Grammichele to Conde-sur-l'Escaut | 1,064.76 mi (1,713.57 km) |
| Grammichele to Conflans-Sainte-Honorine | 1,028.16 mi (1,654.66 km) |
| Grammichele to Corbas | 770.42 mi (1,239.87 km) |
| Grammichele to Corbeil-Essonnes | 996.72 mi (1,604.06 km) |
| Grammichele to Cormeilles-en-Parisis | 1,023.72 mi (1,647.52 km) |
| Grammichele to Cosne sur Loire | 922.19 mi (1,484.12 km) |
