| Most to Mauldin (South Carolina) | 4,648.98 mi (7,481.82 km) |
| Most to Maumee (Ohio) | 4,363.70 mi (7,022.70 km) |
| Most to Maumelle (Arkansas) | 5,025.54 mi (8,087.82 km) |
| Most to Mayagüez (Puerto Rico) | 4,854.01 mi (7,811.77 km) |
| Most to Mayfield Heights (Ohio) | 4,284.82 mi (6,895.76 km) |
| Most to Mays Chapel (Maryland) | 4,201.68 mi (6,761.96 km) |
| Most to Maywood (California) | 5,902.54 mi (9,499.22 km) |
| Most to Maywood (Illinois) | 4,498.66 mi (7,239.89 km) |
| Most to McAlester (Oklahoma) | 5,142.34 mi (8,275.80 km) |
| Most to McAllen (Texas) | 5,708.94 mi (9,187.65 km) |
| Most to McCalla (Alabama) | 4,906.80 mi (7,896.73 km) |
| Most to McComb (Mississippi) | 5,145.56 mi (8,280.98 km) |
| Most to McDonough (Georgia) | 4,788.84 mi (7,706.89 km) |
| Most to McFarland (California) | 5,827.82 mi (9,378.97 km) |
| Most to McHenry (Illinois) | 4,491.42 mi (7,228.25 km) |
