| Idar-Oberstein to McKeesport (Pennsylvania) | 4,061.71 mi (6,536.69 km) |
| Idar-Oberstein to McKinleyville (California) | 5,514.20 mi (8,874.25 km) |
| Idar-Oberstein to McKinney (Texas) | 5,066.10 mi (8,153.10 km) |
| Idar-Oberstein to McLean (Virginia) | 4,018.23 mi (6,466.72 km) |
| Idar-Oberstein to McMinnville (Oregon) | 5,236.60 mi (8,427.49 km) |
| Idar-Oberstein to McMinnville (Tennessee) | 4,517.20 mi (7,269.73 km) |
| Idar-Oberstein to McNair (Virginia) | 4,026.72 mi (6,480.39 km) |
| Idar-Oberstein to McPherson (Kansas) | 4,834.41 mi (7,780.23 km) |
| Idar-Oberstein to Mead Valley (California) | 5,743.35 mi (9,243.02 km) |
| Idar-Oberstein to Meadow Woods (Florida) | 4,693.42 mi (7,553.34 km) |
| Idar-Oberstein to Meadowbrook (Virginia) | 4,098.46 mi (6,595.83 km) |
| Idar-Oberstein to Meadville (Pennsylvania) | 4,014.83 mi (6,461.24 km) |
| Idar-Oberstein to Mebane (North Carolina) | 4,234.66 mi (6,815.03 km) |
| Idar-Oberstein to Mechanicsville (Virginia) | 4,084.64 mi (6,573.59 km) |
| Idar-Oberstein to Medford (Massachusetts) | 3,619.27 mi (5,824.65 km) |
