| Radford to Romeoville (Illinois) | 508.84 mi (818.89 km) |
| Radford to Romulus (Michigan) | 382.69 mi (615.88 km) |
| Radford to Ronkonkoma (New York) | 473.22 mi (761.57 km) |
| Radford to Roosevelt (New York) | 448.17 mi (721.25 km) |
| Radford to Rosamond (California) | 2,097.09 mi (3,374.94 km) |
| Radford to Rosaryville (Maryland) | 232.91 mi (374.83 km) |
| Radford to Roscoe (Illinois) | 578.77 mi (931.45 km) |
| Radford to Rose Hill (Virginia) | 220.33 mi (354.58 km) |
| Radford to Roseburg (Oregon) | 2,272.76 mi (3,657.65 km) |
| Radford to Rosedale (California) | 2,141.71 mi (3,446.76 km) |
| Radford to Rosedale (Maryland) | 267.38 mi (430.30 km) |
| Radford to Roselle (Illinois) | 522.58 mi (841.01 km) |
| Radford to Roselle (New Jersey) | 417.23 mi (671.47 km) |
| Radford to Roselle Park (New Jersey) | 417.42 mi (671.78 km) |
| Radford to Rosemead (California) | 2,105.03 mi (3,387.72 km) |
