| Southborough to Lubbeek | 199.79 mi (321.52 km) |
| Southborough to Lummen | 214.55 mi (345.28 km) |
| Southborough to Maaseik | 239.34 mi (385.18 km) |
| Southborough to Machelen | 182.04 mi (292.97 km) |
| Southborough to Maldegem | 137.24 mi (220.86 km) |
| Southborough to Malmedy | 256.35 mi (412.55 km) |
| Southborough to Manage | 179.05 mi (288.15 km) |
| Southborough to Marche-en-Famenne | 231.16 mi (372.02 km) |
| Southborough to Mariakerke | 148.05 mi (238.26 km) |
| Southborough to Mechelen | 183.12 mi (294.71 km) |
| Southborough to Mechelen-aan-de-Maas | 236.24 mi (380.19 km) |
| Southborough to Meerhout | 208.81 mi (336.04 km) |
| Southborough to Meise | 177.38 mi (285.46 km) |
| Southborough to Melle | 153.82 mi (247.54 km) |
| Southborough to Melsele | 173.95 mi (279.94 km) |
