| Valka to Marco de Canavezes | 1,881.30 mi (3,027.66 km) |
| Valka to Marinha Grande | 1,983.53 mi (3,192.19 km) |
| Valka to Massama | 2,048.37 mi (3,296.53 km) |
| Valka to Matosinhos | 1,900.06 mi (3,057.86 km) |
| Valka to Mealhada | 1,933.55 mi (3,111.75 km) |
| Valka to Melgaco | 1,837.00 mi (2,956.36 km) |
| Valka to Melres | 1,895.91 mi (3,051.17 km) |
| Valka to Mira | 1,940.51 mi (3,122.95 km) |
| Valka to Miranda do Corvo | 1,944.64 mi (3,129.60 km) |
| Valka to Mirandela | 1,832.66 mi (2,949.39 km) |
| Valka to Mogadouro | 1,824.95 mi (2,936.98 km) |
| Valka to Moimenta da Beira | 1,873.79 mi (3,015.58 km) |
| Valka to Moita | 2,044.39 mi (3,290.13 km) |
| Valka to Moncao | 1,846.56 mi (2,971.75 km) |
| Valka to Montalegre | 1,835.83 mi (2,954.49 km) |
