| Gustavsberg to Mangualde | 1,716.81 mi (2,762.94 km) |
| Gustavsberg to Marco de Canavezes | 1,694.19 mi (2,726.54 km) |
| Gustavsberg to Marinha Grande | 1,799.75 mi (2,896.42 km) |
| Gustavsberg to Massama | 1,867.71 mi (3,005.78 km) |
| Gustavsberg to Matosinhos | 1,709.98 mi (2,751.94 km) |
| Gustavsberg to Mealhada | 1,749.12 mi (2,814.93 km) |
| Gustavsberg to Melgaco | 1,644.03 mi (2,645.82 km) |
| Gustavsberg to Melres | 1,708.07 mi (2,748.87 km) |
| Gustavsberg to Mira | 1,754.26 mi (2,823.21 km) |
| Gustavsberg to Miranda do Corvo | 1,762.35 mi (2,836.23 km) |
| Gustavsberg to Mirandela | 1,649.26 mi (2,654.23 km) |
| Gustavsberg to Mogadouro | 1,645.09 mi (2,647.52 km) |
| Gustavsberg to Moimenta da Beira | 1,690.78 mi (2,721.05 km) |
| Gustavsberg to Moita | 1,865.86 mi (3,002.82 km) |
| Gustavsberg to Moncao | 1,652.71 mi (2,659.78 km) |
