| Romeoville to Ramsey (New Jersey) | 724.11 mi (1,165.34 km) |
| Romeoville to Rancho Cordova (California) | 1,753.89 mi (2,822.61 km) |
| Romeoville to Rancho Cucamonga (California) | 1,679.11 mi (2,702.27 km) |
| Romeoville to Rancho Mirage (California) | 1,632.44 mi (2,627.15 km) |
| Romeoville to Rancho Palos Verdes (California) | 1,731.38 mi (2,786.39 km) |
| Romeoville to Rancho San Diego (California) | 1,690.59 mi (2,720.73 km) |
| Romeoville to Rancho Santa Margarita (California) | 1,696.30 mi (2,729.93 km) |
| Romeoville to Randallstown (Maryland) | 613.21 mi (986.86 km) |
| Romeoville to Rantoul (Illinois) | 91.85 mi (147.82 km) |
| Romeoville to Rapid City (South Dakota) | 783.04 mi (1,260.18 km) |
| Romeoville to Ravenna (Ohio) | 356.82 mi (574.24 km) |
| Romeoville to Raymondville (Texas) | 1,182.78 mi (1,903.49 km) |
| Romeoville to Raymore (Missouri) | 388.11 mi (624.60 km) |
| Romeoville to Raytown (Missouri) | 381.48 mi (613.93 km) |
| Romeoville to Reading (Ohio) | 254.63 mi (409.78 km) |
