| Romeoville to Clacton-on-Sea | 4,015.87 mi (6,462.91 km) |
| Romeoville to Clay Cross | 3,876.81 mi (6,239.12 km) |
| Romeoville to Clayton | 3,843.45 mi (6,185.43 km) |
| Romeoville to Clayton le Moors | 3,822.58 mi (6,151.84 km) |
| Romeoville to Cleckheaton | 3,848.63 mi (6,193.77 km) |
| Romeoville to Cleethorpes | 3,916.31 mi (6,302.69 km) |
| Romeoville to Clevedon | 3,874.50 mi (6,235.41 km) |
| Romeoville to Clifton | 3,893.51 mi (6,266.00 km) |
| Romeoville to Clifton | 3,864.09 mi (6,218.66 km) |
| Romeoville to Cliftonville | 4,038.95 mi (6,500.07 km) |
| Romeoville to Clitheroe | 3,819.49 mi (6,146.88 km) |
| Romeoville to Clydebank | 3,690.19 mi (5,938.78 km) |
| Romeoville to Coalville | 3,891.83 mi (6,263.29 km) |
| Romeoville to Coatbridge | 3,704.57 mi (5,961.92 km) |
| Romeoville to Cobham | 3,971.92 mi (6,392.19 km) |
