| Flensburg to Lubbeek | 330.63 mi (532.09 km) |
| Flensburg to Lummen | 316.24 mi (508.94 km) |
| Flensburg to Maaseik | 296.15 mi (476.61 km) |
| Flensburg to Machelen | 339.07 mi (545.68 km) |
| Flensburg to Maldegem | 351.32 mi (565.40 km) |
| Flensburg to Malmedy | 333.92 mi (537.39 km) |
| Flensburg to Manage | 367.37 mi (591.23 km) |
| Flensburg to Marche-en-Famenne | 359.41 mi (578.42 km) |
| Flensburg to Mariakerke | 350.84 mi (564.62 km) |
| Flensburg to Mechelen | 331.40 mi (533.33 km) |
| Flensburg to Mechelen-aan-de-Maas | 304.26 mi (489.65 km) |
| Flensburg to Meerhout | 310.33 mi (499.43 km) |
| Flensburg to Meise | 340.46 mi (547.92 km) |
| Flensburg to Melle | 351.20 mi (565.20 km) |
| Flensburg to Melsele | 326.15 mi (524.88 km) |
