| Idar-Oberstein to Mitcham | 347.66 mi (559.50 km) |
| Idar-Oberstein to Mold | 508.62 mi (818.55 km) |
| Idar-Oberstein to Molesey | 356.40 mi (573.57 km) |
| Idar-Oberstein to Monkseaton | 521.38 mi (839.07 km) |
| Idar-Oberstein to Monmouth | 461.41 mi (742.56 km) |
| Idar-Oberstein to Montrose | 629.22 mi (1,012.63 km) |
| Idar-Oberstein to Morden | 349.46 mi (562.39 km) |
| Idar-Oberstein to Morecambe | 527.74 mi (849.32 km) |
| Idar-Oberstein to Moreton | 514.57 mi (828.11 km) |
| Idar-Oberstein to Morley | 472.08 mi (759.74 km) |
| Idar-Oberstein to Morpeth | 533.94 mi (859.29 km) |
| Idar-Oberstein to Morriston | 510.11 mi (820.95 km) |
| Idar-Oberstein to Mosbrough | 448.36 mi (721.56 km) |
| Idar-Oberstein to Mossley | 479.05 mi (770.95 km) |
| Idar-Oberstein to Moston | 484.31 mi (779.43 km) |
