| Onex to Lubbeek | 329.68 mi (530.57 km) |
| Onex to Lummen | 334.18 mi (537.81 km) |
| Onex to Maaseik | 340.14 mi (547.41 km) |
| Onex to Machelen | 335.32 mi (539.65 km) |
| Onex to Maldegem | 367.27 mi (591.07 km) |
| Onex to Malmedy | 292.52 mi (470.77 km) |
| Onex to Manage | 310.30 mi (499.39 km) |
| Onex to Marche-en-Famenne | 280.90 mi (452.07 km) |
| Onex to Mariakerke | 355.45 mi (572.04 km) |
| Onex to Mechelen | 342.78 mi (551.65 km) |
| Onex to Mechelen-aan-de-Maas | 333.07 mi (536.02 km) |
| Onex to Meerhout | 345.14 mi (555.44 km) |
| Onex to Meise | 337.96 mi (543.90 km) |
| Onex to Melle | 348.96 mi (561.60 km) |
| Onex to Melsele | 357.78 mi (575.78 km) |
