| Semic to Mauldin (South Carolina) | 4,873.60 mi (7,843.31 km) |
| Semic to Maumee (Ohio) | 4,614.60 mi (7,426.48 km) |
| Semic to Maumelle (Arkansas) | 5,277.51 mi (8,493.34 km) |
| Semic to Mayagüez (Puerto Rico) | 4,961.76 mi (7,985.18 km) |
| Semic to Mayfield Heights (Ohio) | 4,530.43 mi (7,291.02 km) |
| Semic to Mays Chapel (Maryland) | 4,427.95 mi (7,126.10 km) |
| Semic to Maywood (California) | 6,211.18 mi (9,995.92 km) |
| Semic to Maywood (Illinois) | 4,759.94 mi (7,660.38 km) |
| Semic to McAlester (Oklahoma) | 5,403.08 mi (8,695.42 km) |
| Semic to McAllen (Texas) | 5,953.97 mi (9,582.00 km) |
| Semic to McCalla (Alabama) | 5,139.75 mi (8,271.64 km) |
| Semic to McComb (Mississippi) | 5,381.94 mi (8,661.40 km) |
| Semic to McDonough (Georgia) | 5,014.12 mi (8,069.45 km) |
| Semic to McFarland (California) | 6,140.44 mi (9,882.08 km) |
| Semic to McHenry (Illinois) | 4,755.04 mi (7,652.50 km) |
