| Romilly-sur-Seine to Cognac | 272.59 mi (438.69 km) |
| Romilly-sur-Seine to Cogolin | 387.78 mi (624.07 km) |
| Romilly-sur-Seine to Colmar | 169.46 mi (272.71 km) |
| Romilly-sur-Seine to Colombes | 72.88 mi (117.29 km) |
| Romilly-sur-Seine to Colomiers | 357.50 mi (575.33 km) |
| Romilly-sur-Seine to Combs-la-Ville | 54.37 mi (87.50 km) |
| Romilly-sur-Seine to Comines | 158.43 mi (254.97 km) |
| Romilly-sur-Seine to Compiegne | 74.42 mi (119.77 km) |
| Romilly-sur-Seine to Concarneau | 354.75 mi (570.91 km) |
| Romilly-sur-Seine to Conde-sur-l'Escaut | 133.72 mi (215.21 km) |
| Romilly-sur-Seine to Conflans-Sainte-Honorine | 81.34 mi (130.91 km) |
| Romilly-sur-Seine to Corbas | 204.37 mi (328.90 km) |
| Romilly-sur-Seine to Corbeil-Essonnes | 57.31 mi (92.24 km) |
| Romilly-sur-Seine to Cormeilles-en-Parisis | 76.36 mi (122.89 km) |
| Romilly-sur-Seine to Cosne sur Loire | 84.91 mi (136.65 km) |
