| Postojna to Mangualde | 1,158.87 mi (1,865.03 km) |
| Postojna to Marco de Canavezes | 1,160.92 mi (1,868.31 km) |
| Postojna to Marinha Grande | 1,240.47 mi (1,996.34 km) |
| Postojna to Massama | 1,289.22 mi (2,074.80 km) |
| Postojna to Matosinhos | 1,187.19 mi (1,910.60 km) |
| Postojna to Mealhada | 1,198.12 mi (1,928.18 km) |
| Postojna to Melgaco | 1,142.45 mi (1,838.59 km) |
| Postojna to Melres | 1,176.06 mi (1,892.69 km) |
| Postojna to Mira | 1,210.08 mi (1,947.44 km) |
| Postojna to Miranda do Corvo | 1,201.18 mi (1,933.12 km) |
| Postojna to Mirandela | 1,106.52 mi (1,780.77 km) |
| Postojna to Mogadouro | 1,088.47 mi (1,751.72 km) |
| Postojna to Moimenta da Beira | 1,141.02 mi (1,836.29 km) |
| Postojna to Moita | 1,279.27 mi (2,058.79 km) |
| Postojna to Moncao | 1,153.74 mi (1,856.77 km) |
