| Romeoville to Cedar Park (Texas) | 939.40 mi (1,511.82 km) |
| Romeoville to Cedar Rapids (Iowa) | 185.76 mi (298.94 km) |
| Romeoville to Cedarburg (Wisconsin) | 115.33 mi (185.61 km) |
| Romeoville to Celebration (Florida) | 991.51 mi (1,595.68 km) |
| Romeoville to Celina (Ohio) | 198.62 mi (319.65 km) |
| Romeoville to Celina (Texas) | 745.79 mi (1,200.23 km) |
| Romeoville to Centennial (Colorado) | 889.23 mi (1,431.07 km) |
| Romeoville to Center Point (Alabama) | 557.23 mi (896.78 km) |
| Romeoville to Centereach (New York) | 780.91 mi (1,256.76 km) |
| Romeoville to Centerton (Arkansas) | 493.28 mi (793.86 km) |
| Romeoville to Centerville (Ohio) | 249.07 mi (400.84 km) |
| Romeoville to Centerville (Utah) | 1,232.04 mi (1,982.77 km) |
| Romeoville to Central (Louisiana) | 782.27 mi (1,258.95 km) |
| Romeoville to Central Falls (Rhode Island) | 859.85 mi (1,383.79 km) |
| Romeoville to Central Islip (New York) | 776.02 mi (1,248.89 km) |
