| Prevalje to Mangualde | 1,201.75 mi (1,934.03 km) |
| Prevalje to Marco de Canavezes | 1,201.99 mi (1,934.42 km) |
| Prevalje to Marinha Grande | 1,284.25 mi (2,066.80 km) |
| Prevalje to Massama | 1,334.77 mi (2,148.10 km) |
| Prevalje to Matosinhos | 1,227.79 mi (1,975.93 km) |
| Prevalje to Mealhada | 1,240.89 mi (1,997.02 km) |
| Prevalje to Melgaco | 1,180.94 mi (1,900.53 km) |
| Prevalje to Melres | 1,217.21 mi (1,958.92 km) |
| Prevalje to Mira | 1,252.49 mi (2,015.68 km) |
| Prevalje to Miranda do Corvo | 1,244.73 mi (2,003.19 km) |
| Prevalje to Mirandela | 1,147.67 mi (1,846.99 km) |
| Prevalje to Mogadouro | 1,130.44 mi (1,819.27 km) |
| Prevalje to Moimenta da Beira | 1,183.09 mi (1,904.00 km) |
| Prevalje to Moita | 1,325.30 mi (2,132.86 km) |
| Prevalje to Moncao | 1,192.18 mi (1,918.62 km) |
