| Liberal to Mangualde | 4,766.41 mi (7,670.80 km) |
| Liberal to Marco de Canavezes | 4,728.32 mi (7,609.49 km) |
| Liberal to Marinha Grande | 4,744.11 mi (7,634.90 km) |
| Liberal to Massama | 4,763.99 mi (7,666.91 km) |
| Liberal to Matosinhos | 4,703.77 mi (7,569.98 km) |
| Liberal to Mealhada | 4,743.39 mi (7,633.74 km) |
| Liberal to Melgaco | 4,690.12 mi (7,548.01 km) |
| Liberal to Melres | 4,721.30 mi (7,598.20 km) |
| Liberal to Mira | 4,728.83 mi (7,610.32 km) |
| Liberal to Miranda do Corvo | 4,758.79 mi (7,658.53 km) |
| Liberal to Mirandela | 4,760.49 mi (7,661.26 km) |
| Liberal to Mogadouro | 4,786.52 mi (7,703.15 km) |
| Liberal to Moimenta da Beira | 4,759.50 mi (7,659.68 km) |
| Liberal to Moita | 4,781.26 mi (7,694.69 km) |
| Liberal to Moncao | 4,682.22 mi (7,535.31 km) |
