| Unterwellenborn to Mauldin (South Carolina) | 4,558.27 mi (7,335.83 km) |
| Unterwellenborn to Maumee (Ohio) | 4,277.13 mi (6,883.37 km) |
| Unterwellenborn to Maumelle (Arkansas) | 4,939.37 mi (7,949.15 km) |
| Unterwellenborn to Mayagüez (Puerto Rico) | 4,757.20 mi (7,655.97 km) |
| Unterwellenborn to Mayfield Heights (Ohio) | 4,197.25 mi (6,754.82 km) |
| Unterwellenborn to Mays Chapel (Maryland) | 4,111.06 mi (6,616.11 km) |
| Unterwellenborn to Maywood (California) | 5,833.46 mi (9,388.05 km) |
| Unterwellenborn to Maywood (Illinois) | 4,414.25 mi (7,104.05 km) |
| Unterwellenborn to McAlester (Oklahoma) | 5,058.01 mi (8,140.07 km) |
| Unterwellenborn to McAllen (Texas) | 5,621.68 mi (9,047.22 km) |
| Unterwellenborn to McCalla (Alabama) | 4,817.34 mi (7,752.77 km) |
| Unterwellenborn to McComb (Mississippi) | 5,056.70 mi (8,137.97 km) |
| Unterwellenborn to McDonough (Georgia) | 4,698.25 mi (7,561.11 km) |
| Unterwellenborn to McFarland (California) | 5,760.64 mi (9,270.85 km) |
| Unterwellenborn to McHenry (Illinois) | 4,407.53 mi (7,093.24 km) |
