| Morden to Mangualde | 828.65 mi (1,333.58 km) |
| Morden to Marco de Canavezes | 800.58 mi (1,288.41 km) |
| Morden to Marinha Grande | 907.73 mi (1,460.85 km) |
| Morden to Massama | 977.81 mi (1,573.64 km) |
| Morden to Matosinhos | 813.20 mi (1,308.72 km) |
| Morden to Mealhada | 857.30 mi (1,379.69 km) |
| Morden to Melgaco | 745.65 mi (1,200.00 km) |
| Morden to Melres | 813.48 mi (1,309.17 km) |
| Morden to Mira | 860.48 mi (1,384.81 km) |
| Morden to Miranda do Corvo | 872.63 mi (1,404.36 km) |
| Morden to Mirandela | 760.79 mi (1,224.38 km) |
| Morden to Mogadouro | 761.23 mi (1,225.09 km) |
| Morden to Moimenta da Beira | 801.78 mi (1,290.34 km) |
| Morden to Moita | 978.36 mi (1,574.52 km) |
| Morden to Moncao | 753.45 mi (1,212.55 km) |
