| Morlanwelz-Mariemont to Marco de Canavezes | 872.69 mi (1,404.45 km) |
| Morlanwelz-Mariemont to Marinha Grande | 976.31 mi (1,571.22 km) |
| Morlanwelz-Mariemont to Massama | 1,042.73 mi (1,678.11 km) |
| Morlanwelz-Mariemont to Matosinhos | 890.75 mi (1,433.53 km) |
| Morlanwelz-Mariemont to Mealhada | 925.96 mi (1,490.19 km) |
| Morlanwelz-Mariemont to Melgaco | 827.25 mi (1,331.33 km) |
| Morlanwelz-Mariemont to Melres | 887.11 mi (1,427.67 km) |
| Morlanwelz-Mariemont to Mira | 932.27 mi (1,500.35 km) |
| Morlanwelz-Mariemont to Miranda do Corvo | 937.99 mi (1,509.56 km) |
| Morlanwelz-Mariemont to Mirandela | 825.28 mi (1,328.15 km) |
| Morlanwelz-Mariemont to Mogadouro | 819.26 mi (1,318.46 km) |
| Morlanwelz-Mariemont to Moimenta da Beira | 866.67 mi (1,394.76 km) |
| Morlanwelz-Mariemont to Moita | 1,039.92 mi (1,673.58 km) |
| Morlanwelz-Mariemont to Moncao | 836.77 mi (1,346.66 km) |
| Morlanwelz-Mariemont to Montalegre | 826.71 mi (1,330.47 km) |
