| Romeoville to Civril | 5,670.94 mi (9,126.50 km) |
| Romeoville to Cizre | 6,144.79 mi (9,889.09 km) |
| Romeoville to Cobanlar | 5,687.75 mi (9,153.56 km) |
| Romeoville to Corlu | 5,456.29 mi (8,781.04 km) |
| Romeoville to Corum | 5,734.03 mi (9,228.02 km) |
| Romeoville to Cukurca | 6,193.86 mi (9,968.06 km) |
| Romeoville to Cukurcayir | 5,864.06 mi (9,437.29 km) |
| Romeoville to Cumayeri | 5,581.05 mi (8,981.83 km) |
| Romeoville to Cumra | 5,817.36 mi (9,362.14 km) |
| Romeoville to Cungus | 6,003.07 mi (9,661.00 km) |
| Romeoville to Dargecit | 6,118.12 mi (9,846.16 km) |
| Romeoville to Davutlar | 5,610.24 mi (9,028.81 km) |
| Romeoville to Demirozu | 5,913.72 mi (9,517.21 km) |
| Romeoville to Demre | 5,785.83 mi (9,311.40 km) |
| Romeoville to Denizciler | 5,986.69 mi (9,634.65 km) |
