| Opovo to Lubbeek | 823.69 mi (1,325.60 km) |
| Opovo to Lummen | 812.23 mi (1,307.16 km) |
| Opovo to Maaseik | 792.71 mi (1,275.75 km) |
| Opovo to Machelen | 840.71 mi (1,352.99 km) |
| Opovo to Maldegem | 888.62 mi (1,430.09 km) |
| Opovo to Malmedy | 763.69 mi (1,229.03 km) |
| Opovo to Manage | 838.61 mi (1,349.61 km) |
| Opovo to Marche-en-Famenne | 786.33 mi (1,265.48 km) |
| Opovo to Mariakerke | 875.58 mi (1,409.10 km) |
| Opovo to Mechelen | 842.10 mi (1,355.23 km) |
| Opovo to Mechelen-aan-de-Maas | 792.80 mi (1,275.89 km) |
| Opovo to Meerhout | 821.15 mi (1,321.52 km) |
| Opovo to Meise | 845.48 mi (1,360.66 km) |
| Opovo to Melle | 868.71 mi (1,398.05 km) |
| Opovo to Melsele | 855.32 mi (1,376.50 km) |
