| Idar-Oberstein to Mauldin (South Carolina) | 4,420.52 mi (7,114.15 km) |
| Idar-Oberstein to Maumee (Ohio) | 4,155.23 mi (6,687.19 km) |
| Idar-Oberstein to Maumelle (Arkansas) | 4,818.15 mi (7,754.06 km) |
| Idar-Oberstein to Mayagüez (Puerto Rico) | 4,576.77 mi (7,365.59 km) |
| Idar-Oberstein to Mayfield Heights (Ohio) | 4,071.87 mi (6,553.04 km) |
| Idar-Oberstein to Mays Chapel (Maryland) | 3,974.11 mi (6,395.71 km) |
| Idar-Oberstein to Maywood (California) | 5,761.85 mi (9,272.81 km) |
| Idar-Oberstein to Maywood (Illinois) | 4,299.59 mi (6,919.52 km) |
| Idar-Oberstein to McAlester (Oklahoma) | 4,942.83 mi (7,954.71 km) |
| Idar-Oberstein to McAllen (Texas) | 5,495.97 mi (8,844.90 km) |
| Idar-Oberstein to McCalla (Alabama) | 4,684.32 mi (7,538.68 km) |
| Idar-Oberstein to McComb (Mississippi) | 4,925.70 mi (7,927.15 km) |
| Idar-Oberstein to McDonough (Georgia) | 4,560.91 mi (7,340.07 km) |
| Idar-Oberstein to McFarland (California) | 5,694.13 mi (9,163.82 km) |
| Idar-Oberstein to McHenry (Illinois) | 4,294.60 mi (6,911.49 km) |
