| Romulus to Creutzwald | 4,107.83 mi (6,610.91 km) |
| Romulus to Croissy-sur-Seine | 3,939.52 mi (6,340.04 km) |
| Romulus to Croix | 3,920.59 mi (6,309.58 km) |
| Romulus to Crosne | 3,957.65 mi (6,369.22 km) |
| Romulus to Cuers | 4,300.87 mi (6,921.57 km) |
| Romulus to Cugnaux | 4,088.62 mi (6,580.01 km) |
| Romulus to Cusset | 4,086.12 mi (6,575.97 km) |
| Romulus to Dammarie-le-Lys | 3,971.36 mi (6,391.29 km) |
| Romulus to Dammartin-en-Goele | 3,955.22 mi (6,365.30 km) |
| Romulus to Dardilly | 4,151.21 mi (6,680.72 km) |
| Romulus to Darnetal | 3,881.61 mi (6,246.85 km) |
| Romulus to Dax | 3,979.20 mi (6,403.90 km) |
| Romulus to Decines-Charpieu | 4,160.99 mi (6,696.47 km) |
| Romulus to Denain | 3,941.42 mi (6,343.10 km) |
| Romulus to Deuil-la-Barre | 3,943.66 mi (6,346.70 km) |
