| Idar-Oberstein to Matelica | 521.52 mi (839.30 km) |
| Idar-Oberstein to Matera | 770.13 mi (1,239.40 km) |
| Idar-Oberstein to Matino | 851.34 mi (1,370.10 km) |
| Idar-Oberstein to Mazzarino | 923.42 mi (1,486.10 km) |
| Idar-Oberstein to Meda | 292.43 mi (470.62 km) |
| Idar-Oberstein to Medesano | 367.38 mi (591.24 km) |
| Idar-Oberstein to Medicina | 414.29 mi (666.74 km) |
| Idar-Oberstein to Meldola | 445.33 mi (716.69 km) |
| Idar-Oberstein to Melegnano | 314.99 mi (506.93 km) |
| Idar-Oberstein to Melendugno | 844.25 mi (1,358.69 km) |
| Idar-Oberstein to Melfi | 724.36 mi (1,165.74 km) |
| Idar-Oberstein to Melilli | 948.75 mi (1,526.87 km) |
| Idar-Oberstein to Melito di Napoli | 693.78 mi (1,116.53 km) |
| Idar-Oberstein to Melito di Porto Salvo | 916.47 mi (1,474.92 km) |
| Idar-Oberstein to Melzo | 307.00 mi (494.08 km) |
