| Harnes to Lubbeek | 89.98 mi (144.81 km) |
| Harnes to Lummen | 107.03 mi (172.25 km) |
| Harnes to Maaseik | 133.75 mi (215.26 km) |
| Harnes to Machelen | 74.34 mi (119.63 km) |
| Harnes to Maldegem | 57.02 mi (91.77 km) |
| Harnes to Malmedy | 136.92 mi (220.36 km) |
| Harnes to Manage | 58.50 mi (94.14 km) |
| Harnes to Marche-en-Famenne | 108.22 mi (174.16 km) |
| Harnes to Mariakerke | 54.91 mi (88.37 km) |
| Harnes to Mechelen | 79.77 mi (128.38 km) |
| Harnes to Mechelen-aan-de-Maas | 128.13 mi (206.20 km) |
| Harnes to Meerhout | 106.33 mi (171.13 km) |
| Harnes to Meise | 71.01 mi (114.28 km) |
| Harnes to Melle | 54.77 mi (88.15 km) |
| Harnes to Melsele | 80.48 mi (129.53 km) |
