| Superior to Mangualde | 4,029.69 mi (6,485.16 km) |
| Superior to Marco de Canavezes | 3,989.57 mi (6,420.60 km) |
| Superior to Marinha Grande | 4,015.31 mi (6,462.01 km) |
| Superior to Massama | 4,041.86 mi (6,504.74 km) |
| Superior to Matosinhos | 3,966.48 mi (6,383.43 km) |
| Superior to Mealhada | 4,009.73 mi (6,453.04 km) |
| Superior to Melgaco | 3,946.81 mi (6,351.78 km) |
| Superior to Melres | 3,983.84 mi (6,411.37 km) |
| Superior to Mira | 3,995.69 mi (6,430.44 km) |
| Superior to Miranda do Corvo | 4,026.35 mi (6,479.78 km) |
| Superior to Mirandela | 4,017.67 mi (6,465.81 km) |
| Superior to Mogadouro | 4,043.28 mi (6,507.02 km) |
| Superior to Moimenta da Beira | 4,020.41 mi (6,470.22 km) |
| Superior to Moita | 4,058.84 mi (6,532.08 km) |
| Superior to Moncao | 3,939.68 mi (6,340.30 km) |
