| Mountain Park to Mangualde | 4,094.78 mi (6,589.91 km) |
| Mountain Park to Marco de Canavezes | 4,062.09 mi (6,537.30 km) |
| Mountain Park to Marinha Grande | 4,056.89 mi (6,528.94 km) |
| Mountain Park to Massama | 4,063.47 mi (6,539.52 km) |
| Mountain Park to Matosinhos | 4,035.12 mi (6,493.90 km) |
| Mountain Park to Mealhada | 4,065.98 mi (6,543.57 km) |
| Mountain Park to Melgaco | 4,035.10 mi (6,493.87 km) |
| Mountain Park to Melres | 4,052.52 mi (6,521.91 km) |
| Mountain Park to Mira | 4,050.79 mi (6,519.12 km) |
| Mountain Park to Miranda do Corvo | 4,078.46 mi (6,563.65 km) |
| Mountain Park to Mirandela | 4,102.32 mi (6,602.05 km) |
| Mountain Park to Mogadouro | 4,128.56 mi (6,644.27 km) |
| Mountain Park to Moimenta da Beira | 4,093.14 mi (6,587.27 km) |
| Mountain Park to Moita | 4,080.77 mi (6,567.37 km) |
| Mountain Park to Moncao | 4,025.73 mi (6,478.79 km) |
