| Olbia to Lubbeek | 723.66 mi (1,164.62 km) |
| Olbia to Lummen | 725.24 mi (1,167.15 km) |
| Olbia to Maaseik | 725.70 mi (1,167.91 km) |
| Olbia to Machelen | 731.69 mi (1,177.54 km) |
| Olbia to Maldegem | 767.09 mi (1,234.51 km) |
| Olbia to Malmedy | 677.39 mi (1,090.15 km) |
| Olbia to Manage | 708.77 mi (1,140.65 km) |
| Olbia to Marche-en-Famenne | 673.15 mi (1,083.34 km) |
| Olbia to Mariakerke | 754.76 mi (1,214.66 km) |
| Olbia to Mechelen | 738.58 mi (1,188.63 km) |
| Olbia to Mechelen-aan-de-Maas | 719.70 mi (1,158.24 km) |
| Olbia to Meerhout | 736.66 mi (1,185.55 km) |
| Olbia to Meise | 734.82 mi (1,182.57 km) |
| Olbia to Melle | 747.99 mi (1,203.77 km) |
| Olbia to Melsele | 754.13 mi (1,213.66 km) |
