| Romeoville to Reedley (California) | 1,706.18 mi (2,745.83 km) |
| Romeoville to Reidsville (North Carolina) | 581.44 mi (935.74 km) |
| Romeoville to Reisterstown (Maryland) | 610.84 mi (983.05 km) |
| Romeoville to Rendon (Texas) | 801.88 mi (1,290.50 km) |
| Romeoville to Reno (Nevada) | 1,662.55 mi (2,675.62 km) |
| Romeoville to Renton (Washington) | 1,711.61 mi (2,754.56 km) |
| Romeoville to Republic (Missouri) | 421.20 mi (677.85 km) |
| Romeoville to Reston (Virginia) | 595.78 mi (958.82 km) |
| Romeoville to Revere (Massachusetts) | 877.65 mi (1,412.44 km) |
| Romeoville to Rexburg (Idaho) | 1,207.79 mi (1,943.75 km) |
| Romeoville to Reynoldsburg (Ohio) | 300.55 mi (483.69 km) |
| Romeoville to Rialto (California) | 1,670.27 mi (2,688.03 km) |
| Romeoville to Richardson (Texas) | 761.98 mi (1,226.29 km) |
| Romeoville to Richfield (Minnesota) | 343.80 mi (553.29 km) |
| Romeoville to Richfield (Wisconsin) | 111.16 mi (178.89 km) |
