| Sem to Mauldin (South Carolina) | 4,276.29 mi (6,882.02 km) |
| Sem to Maumee (Ohio) | 3,942.23 mi (6,344.40 km) |
| Sem to Maumelle (Arkansas) | 4,594.04 mi (7,393.39 km) |
| Sem to Mayagüez (Puerto Rico) | 4,701.73 mi (7,566.70 km) |
| Sem to Mayfield Heights (Ohio) | 3,875.21 mi (6,236.55 km) |
| Sem to Mays Chapel (Maryland) | 3,832.57 mi (6,167.92 km) |
| Sem to Maywood (California) | 5,353.24 mi (8,615.21 km) |
| Sem to Maywood (Illinois) | 4,054.37 mi (6,524.88 km) |
| Sem to McAlester (Oklahoma) | 4,692.35 mi (7,551.61 km) |
| Sem to McAllen (Texas) | 5,283.74 mi (8,503.36 km) |
| Sem to McCalla (Alabama) | 4,514.16 mi (7,264.83 km) |
| Sem to McComb (Mississippi) | 4,743.27 mi (7,633.55 km) |
| Sem to McDonough (Georgia) | 4,412.85 mi (7,101.79 km) |
| Sem to McFarland (California) | 5,270.98 mi (8,482.82 km) |
| Sem to McHenry (Illinois) | 4,042.45 mi (6,505.69 km) |
