| Radford to Robertsville (New Jersey) | 404.08 mi (650.30 km) |
| Radford to Robinson (Texas) | 1,021.64 mi (1,644.17 km) |
| Radford to Robstown (Texas) | 1,184.70 mi (1,906.59 km) |
| Radford to Rochester (Michigan) | 407.62 mi (656.00 km) |
| Radford to Rochester (Minnesota) | 784.88 mi (1,263.14 km) |
| Radford to Rochester (New Hampshire) | 660.75 mi (1,063.37 km) |
| Radford to Rochester (New York) | 445.57 mi (717.08 km) |
| Radford to Rochester Hills (Michigan) | 406.84 mi (654.74 km) |
| Radford to Rock Hill (South Carolina) | 152.95 mi (246.14 km) |
| Radford to Rock Island (Illinois) | 613.82 mi (987.85 km) |
| Radford to Rock Springs (Wyoming) | 1,554.52 mi (2,501.76 km) |
| Radford to Rockford (Illinois) | 574.35 mi (924.32 km) |
| Radford to Rockledge (Florida) | 608.29 mi (978.94 km) |
| Radford to Rocklin (California) | 2,201.18 mi (3,542.46 km) |
| Radford to Rockport (Texas) | 1,145.88 mi (1,844.11 km) |
