| Idar-Oberstein to Lubbeek | 135.78 mi (218.52 km) |
| Idar-Oberstein to Lummen | 128.06 mi (206.10 km) |
| Idar-Oberstein to Maaseik | 117.27 mi (188.74 km) |
| Idar-Oberstein to Machelen | 151.54 mi (243.88 km) |
| Idar-Oberstein to Maldegem | 199.23 mi (320.63 km) |
| Idar-Oberstein to Malmedy | 75.37 mi (121.30 km) |
| Idar-Oberstein to Manage | 146.94 mi (236.48 km) |
| Idar-Oberstein to Marche-en-Famenne | 94.66 mi (152.34 km) |
| Idar-Oberstein to Mariakerke | 185.75 mi (298.93 km) |
| Idar-Oberstein to Mechelen | 154.43 mi (248.53 km) |
| Idar-Oberstein to Mechelen-aan-de-Maas | 113.69 mi (182.97 km) |
| Idar-Oberstein to Meerhout | 138.86 mi (223.48 km) |
| Idar-Oberstein to Meise | 156.21 mi (251.39 km) |
| Idar-Oberstein to Melle | 178.61 mi (287.44 km) |
| Idar-Oberstein to Melsele | 169.25 mi (272.39 km) |
