| River Ridge to Rockville (Maryland) | 973.13 mi (1,566.09 km) |
| River Ridge to Rockville Centre (New York) | 1,188.57 mi (1,912.82 km) |
| River Ridge to Rockwall (Texas) | 419.51 mi (675.14 km) |
| River Ridge to Rocky Mount (North Carolina) | 829.93 mi (1,335.64 km) |
| River Ridge to Rocky Point (New York) | 1,229.57 mi (1,978.81 km) |
| River Ridge to Rocky River (Ohio) | 922.43 mi (1,484.50 km) |
| River Ridge to Roessleville (New York) | 1,264.62 mi (2,035.21 km) |
| River Ridge to Rogers (Arkansas) | 494.58 mi (795.95 km) |
| River Ridge to Rogers (Minnesota) | 1,067.79 mi (1,718.44 km) |
| River Ridge to Rohnert Park (California) | 1,933.81 mi (3,112.17 km) |
| River Ridge to Rolla (Missouri) | 558.81 mi (899.32 km) |
| River Ridge to Rolling Meadows (Illinois) | 845.95 mi (1,361.42 km) |
| River Ridge to Roma (Texas) | 588.13 mi (946.51 km) |
| River Ridge to Rome (Georgia) | 418.61 mi (673.69 km) |
| River Ridge to Rome (New York) | 1,224.18 mi (1,970.14 km) |
