| Romeoville to Carpentras | 4,448.00 mi (7,158.37 km) |
| Romeoville to Carquefou | 4,061.83 mi (6,536.89 km) |
| Romeoville to Carqueiranne | 4,527.91 mi (7,286.96 km) |
| Romeoville to Carrieres-sous-Poissy | 4,146.50 mi (6,673.15 km) |
| Romeoville to Carrieres-sur-Seine | 4,157.59 mi (6,691.00 km) |
| Romeoville to Carros | 4,546.87 mi (7,317.48 km) |
| Romeoville to Carvin | 4,128.24 mi (6,643.76 km) |
| Romeoville to Castanet-Tolosan | 4,320.61 mi (6,953.35 km) |
| Romeoville to Castelginest | 4,311.24 mi (6,938.27 km) |
| Romeoville to Castelnau-le-Lez | 4,416.74 mi (7,108.05 km) |
| Romeoville to Castelnaudary | 4,347.23 mi (6,996.19 km) |
| Romeoville to Castelsarrasin | 4,284.72 mi (6,895.59 km) |
| Romeoville to Castres | 4,349.11 mi (6,999.21 km) |
| Romeoville to Caudebec-les-Elbeuf | 4,095.14 mi (6,590.50 km) |
| Romeoville to Caudry | 4,158.36 mi (6,692.23 km) |
