| Seaford to Mauldin (South Carolina) | 4,097.18 mi (6,593.78 km) |
| Seaford to Maumee (Ohio) | 3,839.61 mi (6,179.26 km) |
| Seaford to Maumelle (Arkansas) | 4,502.39 mi (7,245.90 km) |
| Seaford to Mayagüez (Puerto Rico) | 4,261.76 mi (6,858.64 km) |
| Seaford to Mayfield Heights (Ohio) | 3,754.37 mi (6,042.07 km) |
| Seaford to Mays Chapel (Maryland) | 3,651.24 mi (5,876.11 km) |
| Seaford to Maywood (California) | 5,483.69 mi (8,825.15 km) |
| Seaford to Maywood (Illinois) | 3,988.33 mi (6,418.60 km) |
| Seaford to McAlester (Oklahoma) | 4,630.61 mi (7,452.25 km) |
| Seaford to McAllen (Texas) | 5,177.38 mi (8,332.18 km) |
| Seaford to McCalla (Alabama) | 4,362.73 mi (7,021.14 km) |
| Seaford to McComb (Mississippi) | 4,604.89 mi (7,410.86 km) |
| Seaford to McDonough (Georgia) | 4,237.66 mi (6,819.85 km) |
| Seaford to McFarland (California) | 5,421.09 mi (8,724.40 km) |
| Seaford to McHenry (Illinois) | 3,984.49 mi (6,412.42 km) |
