| West Puente Valley to Mangualde | 5,633.77 mi (9,066.68 km) |
| West Puente Valley to Marco de Canavezes | 5,593.12 mi (9,001.26 km) |
| West Puente Valley to Marinha Grande | 5,621.18 mi (9,046.42 km) |
| West Puente Valley to Massama | 5,648.54 mi (9,090.45 km) |
| West Puente Valley to Matosinhos | 5,570.50 mi (8,964.86 km) |
| West Puente Valley to Mealhada | 5,614.64 mi (9,035.89 km) |
| West Puente Valley to Melgaco | 5,548.85 mi (8,930.01 km) |
| West Puente Valley to Melres | 5,587.78 mi (8,992.67 km) |
| West Puente Valley to Mira | 5,600.74 mi (9,013.52 km) |
| West Puente Valley to Miranda do Corvo | 5,631.51 mi (9,063.05 km) |
| West Puente Valley to Mirandela | 5,619.74 mi (9,044.10 km) |
| West Puente Valley to Mogadouro | 5,645.13 mi (9,084.96 km) |
| West Puente Valley to Moimenta da Beira | 5,623.79 mi (9,050.62 km) |
| West Puente Valley to Moita | 5,665.50 mi (9,117.74 km) |
| West Puente Valley to Moncao | 5,542.02 mi (8,919.02 km) |
