| Radford to Rosemont (California) | 2,210.01 mi (3,556.67 km) |
| Radford to Rosemount (Minnesota) | 837.19 mi (1,347.33 km) |
| Radford to Rosenberg (Texas) | 1,022.96 mi (1,646.29 km) |
| Radford to Roseville (California) | 2,205.38 mi (3,549.22 km) |
| Radford to Roseville (Michigan) | 392.81 mi (632.17 km) |
| Radford to Roseville (Minnesota) | 851.41 mi (1,370.21 km) |
| Radford to Rossmoor (California) | 2,110.56 mi (3,396.61 km) |
| Radford to Rossville (Maryland) | 269.96 mi (434.45 km) |
| Radford to Roswell (Georgia) | 301.31 mi (484.90 km) |
| Radford to Roswell (New Mexico) | 1,373.30 mi (2,210.12 km) |
| Radford to Round Lake (Illinois) | 538.97 mi (867.39 km) |
| Radford to Round Lake Beach (Illinois) | 539.57 mi (868.35 km) |
| Radford to Round Rock (Texas) | 1,080.26 mi (1,738.51 km) |
| Radford to Rowland Heights (California) | 2,096.49 mi (3,373.97 km) |
| Radford to Rowlett (Texas) | 948.95 mi (1,527.18 km) |
