| Middle Island to McHenry (Illinois) | 798.06 mi (1,284.35 km) |
| Middle Island to McKeesport (Pennsylvania) | 363.68 mi (585.29 km) |
| Middle Island to McKinleyville (California) | 2,630.45 mi (4,233.30 km) |
| Middle Island to McKinney (Texas) | 1,406.20 mi (2,263.05 km) |
| Middle Island to McLean (Virginia) | 262.07 mi (421.77 km) |
| Middle Island to McMinnville (Oregon) | 2,513.36 mi (4,044.87 km) |
| Middle Island to McMinnville (Tennessee) | 782.25 mi (1,258.90 km) |
| Middle Island to McNair (Virginia) | 271.75 mi (437.33 km) |
| Middle Island to McPherson (Kansas) | 1,322.17 mi (2,127.83 km) |
| Middle Island to Mead Valley (California) | 2,456.42 mi (3,953.22 km) |
| Middle Island to Meadow Woods (Florida) | 986.72 mi (1,587.98 km) |
| Middle Island to Meadowbrook (Virginia) | 340.30 mi (547.66 km) |
| Middle Island to Meadville (Pennsylvania) | 377.57 mi (607.64 km) |
| Middle Island to Mebane (North Carolina) | 476.35 mi (766.61 km) |
| Middle Island to Mechanicsville (Virginia) | 326.11 mi (524.82 km) |
