| Shoreline to McHenry (Illinois) | 1,689.21 mi (2,718.52 km) |
| Shoreline to McKeesport (Pennsylvania) | 2,142.99 mi (3,448.81 km) |
| Shoreline to McKinleyville (California) | 478.14 mi (769.50 km) |
| Shoreline to McKinney (Texas) | 1,669.70 mi (2,687.12 km) |
| Shoreline to McLean (Virginia) | 2,313.17 mi (3,722.69 km) |
| Shoreline to McMinnville (Oregon) | 180.45 mi (290.40 km) |
| Shoreline to McMinnville (Tennessee) | 2,037.56 mi (3,279.14 km) |
| Shoreline to McNair (Virginia) | 2,302.82 mi (3,706.03 km) |
| Shoreline to McPherson (Kansas) | 1,396.05 mi (2,246.73 km) |
| Shoreline to Mead Valley (California) | 997.13 mi (1,604.73 km) |
| Shoreline to Meadow Woods (Florida) | 2,559.13 mi (4,118.52 km) |
| Shoreline to Meadowbrook (Virginia) | 2,354.36 mi (3,788.97 km) |
| Shoreline to Meadville (Pennsylvania) | 2,087.71 mi (3,359.84 km) |
| Shoreline to Mebane (North Carolina) | 2,321.53 mi (3,736.14 km) |
| Shoreline to Mechanicsville (Virginia) | 2,352.64 mi (3,786.21 km) |
