| Mechelen-aan-de-Maas to Marco de Canavezes | 945.87 mi (1,522.23 km) |
| Mechelen-aan-de-Maas to Marinha Grande | 1,049.03 mi (1,688.25 km) |
| Mechelen-aan-de-Maas to Massama | 1,115.02 mi (1,794.45 km) |
| Mechelen-aan-de-Maas to Matosinhos | 964.26 mi (1,551.82 km) |
| Mechelen-aan-de-Maas to Mealhada | 998.78 mi (1,607.38 km) |
| Mechelen-aan-de-Maas to Melgaco | 901.08 mi (1,450.15 km) |
| Mechelen-aan-de-Maas to Melres | 960.37 mi (1,545.56 km) |
| Mechelen-aan-de-Maas to Mira | 1,005.32 mi (1,617.91 km) |
| Mechelen-aan-de-Maas to Miranda do Corvo | 1,010.53 mi (1,626.29 km) |
| Mechelen-aan-de-Maas to Mirandela | 898.00 mi (1,445.19 km) |
| Mechelen-aan-de-Maas to Mogadouro | 891.45 mi (1,434.66 km) |
| Mechelen-aan-de-Maas to Moimenta da Beira | 939.32 mi (1,511.69 km) |
| Mechelen-aan-de-Maas to Moita | 1,111.90 mi (1,789.44 km) |
| Mechelen-aan-de-Maas to Moncao | 910.67 mi (1,465.58 km) |
| Mechelen-aan-de-Maas to Montalegre | 900.11 mi (1,448.59 km) |
