| Olecko to Lubbeek | 772.37 mi (1,243.01 km) |
| Olecko to Lummen | 755.25 mi (1,215.46 km) |
| Olecko to Maaseik | 728.62 mi (1,172.61 km) |
| Olecko to Machelen | 787.82 mi (1,267.88 km) |
| Olecko to Maldegem | 820.69 mi (1,320.78 km) |
| Olecko to Malmedy | 738.97 mi (1,189.25 km) |
| Olecko to Manage | 807.40 mi (1,299.38 km) |
| Olecko to Marche-en-Famenne | 772.12 mi (1,242.61 km) |
| Olecko to Mariakerke | 814.13 mi (1,310.22 km) |
| Olecko to Mechelen | 782.93 mi (1,260.01 km) |
| Olecko to Mechelen-aan-de-Maas | 734.77 mi (1,182.51 km) |
| Olecko to Meerhout | 755.96 mi (1,216.60 km) |
| Olecko to Meise | 791.36 mi (1,273.56 km) |
| Olecko to Melle | 811.03 mi (1,305.23 km) |
| Olecko to Melsele | 785.97 mi (1,264.89 km) |
