| Isernia to Lubbeek | 781.41 mi (1,257.55 km) |
| Isernia to Lummen | 777.39 mi (1,251.09 km) |
| Isernia to Maaseik | 769.12 mi (1,237.79 km) |
| Isernia to Machelen | 794.07 mi (1,277.92 km) |
| Isernia to Maldegem | 837.69 mi (1,348.14 km) |
| Isernia to Malmedy | 724.66 mi (1,166.23 km) |
| Isernia to Manage | 778.38 mi (1,252.68 km) |
| Isernia to Marche-en-Famenne | 732.06 mi (1,178.13 km) |
| Isernia to Mariakerke | 824.13 mi (1,326.31 km) |
| Isernia to Mechelen | 799.12 mi (1,286.06 km) |
| Isernia to Mechelen-aan-de-Maas | 765.24 mi (1,231.54 km) |
| Isernia to Meerhout | 788.72 mi (1,269.32 km) |
| Isernia to Meise | 798.17 mi (1,284.53 km) |
| Isernia to Melle | 816.79 mi (1,314.50 km) |
| Isernia to Melsele | 814.91 mi (1,311.48 km) |
