| Romeoville to Cavaillon | 4,456.03 mi (7,171.29 km) |
| Romeoville to Cebazat | 4,301.02 mi (6,921.82 km) |
| Romeoville to Cenon | 4,186.28 mi (6,737.16 km) |
| Romeoville to Cergy | 4,144.38 mi (6,669.73 km) |
| Romeoville to Cernay | 4,388.11 mi (7,061.98 km) |
| Romeoville to Cesson | 4,181.99 mi (6,730.26 km) |
| Romeoville to Cesson-Sevigne | 4,029.72 mi (6,485.21 km) |
| Romeoville to Cestas | 4,183.98 mi (6,733.47 km) |
| Romeoville to Chalette-sur-Loing | 4,207.03 mi (6,770.56 km) |
| Romeoville to Challans | 4,061.23 mi (6,535.92 km) |
| Romeoville to Chalon-sur-Saone | 4,336.08 mi (6,978.25 km) |
| Romeoville to Chalons-en-Champagne | 4,236.63 mi (6,818.19 km) |
| Romeoville to Chamalieres | 4,301.81 mi (6,923.10 km) |
| Romeoville to Chambery | 4,424.46 mi (7,120.47 km) |
| Romeoville to Chambly | 4,147.04 mi (6,674.02 km) |
