| Romeoville to Chesterfield | 3,874.08 mi (6,234.73 km) |
| Romeoville to Chichester | 3,973.51 mi (6,394.75 km) |
| Romeoville to Chigwell | 3,980.82 mi (6,406.51 km) |
| Romeoville to Childwall | 3,815.18 mi (6,139.93 km) |
| Romeoville to Chilwell | 3,890.97 mi (6,261.92 km) |
| Romeoville to Chingford | 3,978.40 mi (6,402.62 km) |
| Romeoville to Chippenham | 3,902.33 mi (6,280.19 km) |
| Romeoville to Chislehurst | 3,987.72 mi (6,417.61 km) |
| Romeoville to Choppington | 3,811.38 mi (6,133.83 km) |
| Romeoville to Chorley | 3,816.94 mi (6,142.77 km) |
| Romeoville to Chorleywood | 3,957.81 mi (6,369.48 km) |
| Romeoville to Christchurch | 3,938.11 mi (6,337.78 km) |
| Romeoville to Churchdown | 3,887.31 mi (6,256.02 km) |
| Romeoville to Cinderford | 3,876.47 mi (6,238.57 km) |
| Romeoville to Cirencester | 3,899.98 mi (6,276.42 km) |
