| Romulus to Carpentras | 4,227.30 mi (6,803.19 km) |
| Romulus to Carquefou | 3,842.13 mi (6,183.31 km) |
| Romulus to Carqueiranne | 4,306.38 mi (6,930.45 km) |
| Romulus to Carrieres-sous-Poissy | 3,933.08 mi (6,329.68 km) |
| Romulus to Carrieres-sur-Seine | 3,944.29 mi (6,347.73 km) |
| Romulus to Carros | 4,327.53 mi (6,964.49 km) |
| Romulus to Carvin | 3,919.10 mi (6,307.18 km) |
| Romulus to Castanet-Tolosan | 4,096.06 mi (6,591.96 km) |
| Romulus to Castelginest | 4,086.94 mi (6,577.30 km) |
| Romulus to Castelnau-le-Lez | 4,194.33 mi (6,750.12 km) |
| Romulus to Castelnaudary | 4,122.69 mi (6,634.83 km) |
| Romulus to Castelsarrasin | 4,060.78 mi (6,535.19 km) |
| Romulus to Castres | 4,125.29 mi (6,639.02 km) |
| Romulus to Caudebec-les-Elbeuf | 3,881.65 mi (6,246.91 km) |
| Romulus to Caudry | 3,948.74 mi (6,354.88 km) |
