| Mirna to Mangualde | 1,201.33 mi (1,933.36 km) |
| Mirna to Marco de Canavezes | 1,203.16 mi (1,936.30 km) |
| Mirna to Marinha Grande | 1,283.02 mi (2,064.81 km) |
| Mirna to Massama | 1,331.88 mi (2,143.46 km) |
| Mirna to Matosinhos | 1,229.37 mi (1,978.49 km) |
| Mirna to Mealhada | 1,240.57 mi (1,996.50 km) |
| Mirna to Melgaco | 1,184.30 mi (1,905.94 km) |
| Mirna to Melres | 1,218.32 mi (1,960.69 km) |
| Mirna to Mira | 1,252.50 mi (2,015.70 km) |
| Mirna to Miranda do Corvo | 1,243.71 mi (2,001.55 km) |
| Mirna to Mirandela | 1,148.77 mi (1,848.77 km) |
| Mirna to Mogadouro | 1,130.82 mi (1,819.88 km) |
| Mirna to Moimenta da Beira | 1,183.39 mi (1,904.48 km) |
| Mirna to Moita | 1,321.95 mi (2,127.48 km) |
| Mirna to Moncao | 1,195.58 mi (1,924.11 km) |
