| Romeoville to Ridgefield Park (New Jersey) | 732.62 mi (1,179.04 km) |
| Romeoville to Ridgeland (Mississippi) | 646.12 mi (1,039.83 km) |
| Romeoville to Ridgewood (New Jersey) | 726.54 mi (1,169.25 km) |
| Romeoville to Rifle (Colorado) | 1,040.10 mi (1,673.88 km) |
| Romeoville to Rincon (Georgia) | 747.59 mi (1,203.12 km) |
| Romeoville to Ringwood (New Jersey) | 717.00 mi (1,153.89 km) |
| Romeoville to Río Grande (Puerto Rico) | 2,073.75 mi (3,337.37 km) |
| Romeoville to Rio Grande City (Texas) | 1,217.32 mi (1,959.09 km) |
| Romeoville to Rio Linda (California) | 1,761.27 mi (2,834.48 km) |
| Romeoville to Rio Rancho (New Mexico) | 1,094.64 mi (1,761.65 km) |
| Romeoville to Rio Rico (Arizona) | 1,443.98 mi (2,323.86 km) |
| Romeoville to Ripon (California) | 1,765.73 mi (2,841.67 km) |
| Romeoville to River Edge (New Jersey) | 730.91 mi (1,176.28 km) |
| Romeoville to River Falls (Wisconsin) | 318.71 mi (512.92 km) |
| Romeoville to River Forest (Illinois) | 23.22 mi (37.38 km) |
