| Landquart to Mangualde | 966.12 mi (1,554.83 km) |
| Landquart to Marco de Canavezes | 962.42 mi (1,548.87 km) |
| Landquart to Marinha Grande | 1,050.33 mi (1,690.35 km) |
| Landquart to Massama | 1,105.21 mi (1,778.67 km) |
| Landquart to Matosinhos | 987.13 mi (1,588.63 km) |
| Landquart to Mealhada | 1,004.81 mi (1,617.09 km) |
| Landquart to Melgaco | 936.67 mi (1,507.42 km) |
| Landquart to Melres | 977.72 mi (1,573.49 km) |
| Landquart to Mira | 1,015.49 mi (1,634.28 km) |
| Landquart to Miranda do Corvo | 1,010.45 mi (1,626.16 km) |
| Landquart to Mirandela | 908.53 mi (1,462.14 km) |
| Landquart to Mogadouro | 893.21 mi (1,437.48 km) |
| Landquart to Moimenta da Beira | 945.75 mi (1,522.04 km) |
| Landquart to Moita | 1,097.17 mi (1,765.73 km) |
| Landquart to Moncao | 947.77 mi (1,525.29 km) |
