| Idar-Oberstein to Mainaschaff | 81.07 mi (130.47 km) |
| Idar-Oberstein to Mainburg | 214.76 mi (345.62 km) |
| Idar-Oberstein to Maintal | 74.09 mi (119.24 km) |
| Idar-Oberstein to Mainz | 46.45 mi (74.76 km) |
| Idar-Oberstein to Maisach | 206.91 mi (332.99 km) |
| Idar-Oberstein to Maisenhausen | 77.68 mi (125.01 km) |
| Idar-Oberstein to Malente | 337.21 mi (542.69 km) |
| Idar-Oberstein to Malsch | 73.55 mi (118.37 km) |
| Idar-Oberstein to Manching | 200.88 mi (323.29 km) |
| Idar-Oberstein to Mannheim | 53.89 mi (86.73 km) |
| Idar-Oberstein to Mansfeld | 223.19 mi (359.19 km) |
| Idar-Oberstein to Marbach am Neckar | 102.46 mi (164.89 km) |
| Idar-Oberstein to Marburg | 99.53 mi (160.18 km) |
| Idar-Oberstein to Marienberg | 265.96 mi (428.02 km) |
| Idar-Oberstein to Marienheide | 95.28 mi (153.34 km) |
