| Seia to Lubbeek | 940.40 mi (1,513.42 km) |
| Seia to Lummen | 956.40 mi (1,539.17 km) |
| Seia to Maaseik | 980.36 mi (1,577.73 km) |
| Seia to Machelen | 929.55 mi (1,495.97 km) |
| Seia to Maldegem | 915.51 mi (1,473.37 km) |
| Seia to Malmedy | 955.98 mi (1,538.49 km) |
| Seia to Manage | 902.93 mi (1,453.13 km) |
| Seia to Marche-en-Famenne | 924.24 mi (1,487.42 km) |
| Seia to Mariakerke | 915.64 mi (1,473.59 km) |
| Seia to Mechelen | 936.76 mi (1,507.58 km) |
| Seia to Mechelen-aan-de-Maas | 972.73 mi (1,565.46 km) |
| Seia to Meerhout | 960.16 mi (1,545.22 km) |
| Seia to Meise | 927.62 mi (1,492.86 km) |
| Seia to Melle | 915.41 mi (1,473.20 km) |
| Seia to Melsele | 940.71 mi (1,513.92 km) |
