| Castellammare del Golfo to Lubbeek | 971.30 mi (1,563.16 km) |
| Castellammare del Golfo to Lummen | 970.67 mi (1,562.14 km) |
| Castellammare del Golfo to Maaseik | 967.48 mi (1,557.01 km) |
| Castellammare del Golfo to Machelen | 981.21 mi (1,579.11 km) |
| Castellammare del Golfo to Maldegem | 1,020.00 mi (1,641.54 km) |
| Castellammare del Golfo to Malmedy | 920.11 mi (1,480.77 km) |
| Castellammare del Golfo to Manage | 960.67 mi (1,546.05 km) |
| Castellammare del Golfo to Marche-en-Famenne | 920.56 mi (1,481.49 km) |
| Castellammare del Golfo to Mariakerke | 1,007.11 mi (1,620.78 km) |
| Castellammare del Golfo to Mechelen | 987.49 mi (1,589.21 km) |
| Castellammare del Golfo to Mechelen-aan-de-Maas | 962.30 mi (1,548.67 km) |
| Castellammare del Golfo to Meerhout | 982.20 mi (1,580.71 km) |
| Castellammare del Golfo to Meise | 984.75 mi (1,584.80 km) |
| Castellammare del Golfo to Melle | 1,000.06 mi (1,609.45 km) |
| Castellammare del Golfo to Melsele | 1,003.32 mi (1,614.69 km) |
