| Effingham to Rockville (Maryland) | 610.61 mi (982.69 km) |
| Effingham to Rockville Centre (New York) | 796.72 mi (1,282.20 km) |
| Effingham to Rockwall (Texas) | 614.30 mi (988.63 km) |
| Effingham to Rocky Mount (North Carolina) | 627.24 mi (1,009.44 km) |
| Effingham to Rocky Point (New York) | 834.42 mi (1,342.87 km) |
| Effingham to Rocky River (Ohio) | 388.39 mi (625.06 km) |
| Effingham to Roessleville (New York) | 807.84 mi (1,300.09 km) |
| Effingham to Rogers (Arkansas) | 362.20 mi (582.91 km) |
| Effingham to Rogers (Minnesota) | 491.67 mi (791.27 km) |
| Effingham to Rohnert Park (California) | 1,830.20 mi (2,945.42 km) |
| Effingham to Rolla (Missouri) | 191.51 mi (308.21 km) |
| Effingham to Rolling Meadows (Illinois) | 205.97 mi (331.47 km) |
| Effingham to Roma (Texas) | 1,065.70 mi (1,715.08 km) |
| Effingham to Rome (Georgia) | 383.64 mi (617.41 km) |
| Effingham to Rome (New York) | 735.05 mi (1,182.94 km) |
