| Romulus to Cognac | 3,943.05 mi (6,345.73 km) |
| Romulus to Cogolin | 4,319.61 mi (6,951.74 km) |
| Romulus to Colmar | 4,173.77 mi (6,717.04 km) |
| Romulus to Colombes | 3,942.41 mi (6,344.69 km) |
| Romulus to Colomiers | 4,085.63 mi (6,575.19 km) |
| Romulus to Combs-la-Ville | 3,963.09 mi (6,377.97 km) |
| Romulus to Comines | 3,912.38 mi (6,296.37 km) |
| Romulus to Compiegne | 3,948.95 mi (6,355.22 km) |
| Romulus to Concarneau | 3,723.12 mi (5,991.79 km) |
| Romulus to Conde-sur-l'Escaut | 3,945.07 mi (6,348.97 km) |
| Romulus to Conflans-Sainte-Honorine | 3,933.78 mi (6,330.81 km) |
| Romulus to Corbas | 4,162.28 mi (6,698.55 km) |
| Romulus to Corbeil-Essonnes | 3,961.82 mi (6,375.94 km) |
| Romulus to Cormeilles-en-Parisis | 3,938.73 mi (6,338.77 km) |
| Romulus to Cosne sur Loire | 4,020.20 mi (6,469.88 km) |
