| Radford to McHenry (Illinois) | 546.18 mi (879.00 km) |
| Radford to McKeesport (Pennsylvania) | 225.71 mi (363.25 km) |
| Radford to McKinleyville (California) | 2,326.77 mi (3,744.58 km) |
| Radford to McKinney (Texas) | 947.98 mi (1,525.63 km) |
| Radford to McLean (Virginia) | 222.12 mi (357.47 km) |
| Radford to McMinnville (Oregon) | 2,258.76 mi (3,635.12 km) |
| Radford to McMinnville (Tennessee) | 306.86 mi (493.84 km) |
| Radford to McNair (Virginia) | 212.79 mi (342.46 km) |
| Radford to McPherson (Kansas) | 936.95 mi (1,507.88 km) |
| Radford to Mead Valley (California) | 2,066.02 mi (3,324.93 km) |
| Radford to Meadow Woods (Florida) | 606.50 mi (976.07 km) |
| Radford to Meadowbrook (Virginia) | 170.91 mi (275.05 km) |
| Radford to Meadville (Pennsylvania) | 313.40 mi (504.37 km) |
| Radford to Mebane (North Carolina) | 101.10 mi (162.70 km) |
| Radford to Mechanicsville (Virginia) | 179.24 mi (288.46 km) |
