| Goes to Marco de Canavezes | 912.74 mi (1,468.91 km) |
| Goes to Marinha Grande | 1,017.96 mi (1,638.25 km) |
| Goes to Massama | 1,085.76 mi (1,747.37 km) |
| Goes to Matosinhos | 929.20 mi (1,495.40 km) |
| Goes to Mealhada | 967.35 mi (1,556.80 km) |
| Goes to Melgaco | 864.03 mi (1,390.52 km) |
| Goes to Melres | 926.77 mi (1,491.49 km) |
| Goes to Mira | 972.74 mi (1,565.47 km) |
| Goes to Miranda do Corvo | 980.44 mi (1,577.86 km) |
| Goes to Mirandela | 867.35 mi (1,395.87 km) |
| Goes to Mogadouro | 863.20 mi (1,389.18 km) |
| Goes to Moimenta da Beira | 908.87 mi (1,462.69 km) |
| Goes to Moita | 1,083.93 mi (1,744.42 km) |
| Goes to Moncao | 873.05 mi (1,405.04 km) |
| Goes to Montalegre | 865.90 mi (1,393.53 km) |
