| Stupava to Mangualde | 1,325.37 mi (2,132.98 km) |
| Stupava to Marco de Canavezes | 1,322.14 mi (2,127.77 km) |
| Stupava to Marinha Grande | 1,409.29 mi (2,268.03 km) |
| Stupava to Massama | 1,463.03 mi (2,354.52 km) |
| Stupava to Matosinhos | 1,346.87 mi (2,167.58 km) |
| Stupava to Mealhada | 1,364.16 mi (2,195.40 km) |
| Stupava to Melgaco | 1,296.10 mi (2,085.87 km) |
| Stupava to Melres | 1,337.43 mi (2,152.39 km) |
| Stupava to Mira | 1,374.98 mi (2,212.82 km) |
| Stupava to Miranda do Corvo | 1,369.45 mi (2,203.92 km) |
| Stupava to Mirandela | 1,268.21 mi (2,040.98 km) |
| Stupava to Mogadouro | 1,252.67 mi (2,015.98 km) |
| Stupava to Moimenta da Beira | 1,305.26 mi (2,100.61 km) |
| Stupava to Moita | 1,454.51 mi (2,340.80 km) |
| Stupava to Moncao | 1,307.17 mi (2,103.69 km) |
