| Radford to Mattoon (Illinois) | 453.13 mi (729.24 km) |
| Radford to Mauldin (South Carolina) | 188.88 mi (303.97 km) |
| Radford to Maumee (Ohio) | 349.10 mi (561.83 km) |
| Radford to Maumelle (Arkansas) | 679.84 mi (1,094.09 km) |
| Radford to Mayagüez (Puerto Rico) | 1,540.07 mi (2,478.50 km) |
| Radford to Mayfield Heights (Ohio) | 307.37 mi (494.66 km) |
| Radford to Mays Chapel (Maryland) | 265.31 mi (426.97 km) |
| Radford to Maywood (California) | 2,112.41 mi (3,399.59 km) |
| Radford to Maywood (Illinois) | 508.47 mi (818.30 km) |
| Radford to McAlester (Oklahoma) | 862.66 mi (1,388.32 km) |
| Radford to McAllen (Texas) | 1,280.36 mi (2,060.55 km) |
| Radford to McCalla (Alabama) | 450.52 mi (725.05 km) |
| Radford to McComb (Mississippi) | 696.48 mi (1,120.87 km) |
| Radford to McDonough (Georgia) | 325.21 mi (523.38 km) |
| Radford to McFarland (California) | 2,138.62 mi (3,441.78 km) |
