| Idar-Oberstein to Meckenbeuren | 172.71 mi (277.94 km) |
| Idar-Oberstein to Meckenheim | 65.03 mi (104.66 km) |
| Idar-Oberstein to Meerane | 240.61 mi (387.22 km) |
| Idar-Oberstein to Meerbusch | 111.15 mi (178.88 km) |
| Idar-Oberstein to Meine | 231.57 mi (372.67 km) |
| Idar-Oberstein to Meinerzhagen | 98.11 mi (157.90 km) |
| Idar-Oberstein to Meiningen | 149.16 mi (240.05 km) |
| Idar-Oberstein to Meissen | 289.43 mi (465.80 km) |
| Idar-Oberstein to Meitingen | 178.76 mi (287.68 km) |
| Idar-Oberstein to Melle | 177.94 mi (286.36 km) |
| Idar-Oberstein to Melsungen | 139.09 mi (223.84 km) |
| Idar-Oberstein to Memmelsdorf | 162.97 mi (262.28 km) |
| Idar-Oberstein to Memmingen | 176.57 mi (284.16 km) |
| Idar-Oberstein to Mendig | 45.83 mi (73.76 km) |
| Idar-Oberstein to Mengen | 146.89 mi (236.40 km) |
