| Southwater to Mauldin (South Carolina) | 4,072.91 mi (6,554.71 km) |
| Southwater to Maumee (Ohio) | 3,814.27 mi (6,138.48 km) |
| Southwater to Maumelle (Arkansas) | 4,477.08 mi (7,205.16 km) |
| Southwater to Mayagüez (Puerto Rico) | 4,243.96 mi (6,829.99 km) |
| Southwater to Mayfield Heights (Ohio) | 3,729.21 mi (6,001.58 km) |
| Southwater to Mays Chapel (Maryland) | 3,626.86 mi (5,836.86 km) |
| Southwater to Maywood (California) | 5,457.30 mi (8,782.68 km) |
| Southwater to Maywood (Illinois) | 3,962.67 mi (6,377.30 km) |
| Southwater to McAlester (Oklahoma) | 4,605.02 mi (7,411.07 km) |
| Southwater to McAllen (Texas) | 5,152.37 mi (8,291.94 km) |
| Southwater to McCalla (Alabama) | 4,338.13 mi (6,981.54 km) |
| Southwater to McComb (Mississippi) | 4,580.17 mi (7,371.07 km) |
| Southwater to McDonough (Georgia) | 4,213.36 mi (6,780.75 km) |
| Southwater to McFarland (California) | 5,394.71 mi (8,681.95 km) |
| Southwater to McHenry (Illinois) | 3,958.76 mi (6,371.01 km) |
