| Castelldefels to Lubbeek | 677.33 mi (1,090.06 km) |
| Castelldefels to Lummen | 687.79 mi (1,106.89 km) |
| Castelldefels to Maaseik | 702.40 mi (1,130.41 km) |
| Castelldefels to Machelen | 675.64 mi (1,087.34 km) |
| Castelldefels to Maldegem | 688.89 mi (1,108.67 km) |
| Castelldefels to Malmedy | 660.29 mi (1,062.63 km) |
| Castelldefels to Manage | 646.13 mi (1,039.85 km) |
| Castelldefels to Marche-en-Famenne | 638.15 mi (1,027.00 km) |
| Castelldefels to Mariakerke | 681.43 mi (1,096.66 km) |
| Castelldefels to Mechelen | 683.98 mi (1,100.76 km) |
| Castelldefels to Mechelen-aan-de-Maas | 694.41 mi (1,117.55 km) |
| Castelldefels to Meerhout | 696.65 mi (1,121.14 km) |
| Castelldefels to Meise | 676.37 mi (1,088.51 km) |
| Castelldefels to Melle | 677.18 mi (1,089.81 km) |
| Castelldefels to Melsele | 695.53 mi (1,119.34 km) |
