| Sem to McKeesport (Pennsylvania) | 3,887.62 mi (6,256.52 km) |
| Sem to McKinleyville (California) | 5,039.62 mi (8,110.48 km) |
| Sem to McKinney (Texas) | 4,820.58 mi (7,757.98 km) |
| Sem to McLean (Virginia) | 3,877.18 mi (6,239.72 km) |
| Sem to McMinnville (Oregon) | 4,750.81 mi (7,645.70 km) |
| Sem to McMinnville (Tennessee) | 4,338.03 mi (6,981.39 km) |
| Sem to McNair (Virginia) | 3,883.93 mi (6,250.58 km) |
| Sem to McPherson (Kansas) | 4,546.19 mi (7,316.39 km) |
| Sem to Mead Valley (California) | 5,341.69 mi (8,596.62 km) |
| Sem to Meadow Woods (Florida) | 4,609.39 mi (7,418.09 km) |
| Sem to Meadowbrook (Virginia) | 3,969.30 mi (6,387.97 km) |
| Sem to Meadville (Pennsylvania) | 3,826.41 mi (6,158.00 km) |
| Sem to Mebane (North Carolina) | 4,103.39 mi (6,603.77 km) |
| Sem to Mechanicsville (Virginia) | 3,954.60 mi (6,364.31 km) |
| Sem to Medford (Massachusetts) | 3,489.17 mi (5,615.27 km) |
