| Mali Idos to Mangualde | 1,418.93 mi (2,283.55 km) |
| Mali Idos to Marco de Canavezes | 1,422.16 mi (2,288.74 km) |
| Mali Idos to Marinha Grande | 1,499.68 mi (2,413.51 km) |
| Mali Idos to Massama | 1,546.57 mi (2,488.96 km) |
| Mali Idos to Matosinhos | 1,448.67 mi (2,331.41 km) |
| Mali Idos to Mealhada | 1,458.21 mi (2,346.76 km) |
| Mali Idos to Melgaco | 1,404.80 mi (2,260.80 km) |
| Mali Idos to Melres | 1,437.25 mi (2,313.03 km) |
| Mali Idos to Mira | 1,470.44 mi (2,366.45 km) |
| Mali Idos to Miranda do Corvo | 1,460.65 mi (2,350.69 km) |
| Mali Idos to Mirandela | 1,367.77 mi (2,201.21 km) |
| Mali Idos to Mogadouro | 1,349.23 mi (2,171.38 km) |
| Mali Idos to Moimenta da Beira | 1,401.66 mi (2,255.76 km) |
| Mali Idos to Moita | 1,536.06 mi (2,472.05 km) |
| Mali Idos to Moncao | 1,416.10 mi (2,279.00 km) |
