| Idstein to Lubbeek | 157.46 mi (253.40 km) |
| Idstein to Lummen | 144.73 mi (232.93 km) |
| Idstein to Maaseik | 124.84 mi (200.92 km) |
| Idstein to Machelen | 175.01 mi (281.65 km) |
| Idstein to Maldegem | 222.30 mi (357.76 km) |
| Idstein to Malmedy | 100.51 mi (161.75 km) |
| Idstein to Manage | 179.14 mi (288.29 km) |
| Idstein to Marche-en-Famenne | 130.01 mi (209.23 km) |
| Idstein to Mariakerke | 209.84 mi (337.71 km) |
| Idstein to Mechelen | 175.36 mi (282.22 km) |
| Idstein to Mechelen-aan-de-Maas | 124.85 mi (200.93 km) |
| Idstein to Meerhout | 153.27 mi (246.66 km) |
| Idstein to Meise | 179.76 mi (289.30 km) |
| Idstein to Melle | 203.40 mi (327.33 km) |
| Idstein to Melsele | 187.80 mi (302.23 km) |
