| Ortaklar to Mangualde | 1,883.53 mi (3,031.24 km) |
| Ortaklar to Marco de Canavezes | 1,899.98 mi (3,057.72 km) |
| Ortaklar to Marinha Grande | 1,952.09 mi (3,141.59 km) |
| Ortaklar to Massama | 1,980.88 mi (3,187.91 km) |
| Ortaklar to Matosinhos | 1,928.47 mi (3,103.57 km) |
| Ortaklar to Mealhada | 1,921.17 mi (3,091.82 km) |
| Ortaklar to Melgaco | 1,901.39 mi (3,060.00 km) |
| Ortaklar to Melres | 1,913.66 mi (3,079.74 km) |
| Ortaklar to Mira | 1,935.57 mi (3,115.00 km) |
| Ortaklar to Miranda do Corvo | 1,917.40 mi (3,085.75 km) |
| Ortaklar to Mirandela | 1,848.29 mi (2,974.54 km) |
| Ortaklar to Mogadouro | 1,824.96 mi (2,936.99 km) |
| Ortaklar to Moimenta da Beira | 1,873.38 mi (3,014.91 km) |
| Ortaklar to Moita | 1,966.68 mi (3,165.07 km) |
| Ortaklar to Moncao | 1,912.48 mi (3,077.85 km) |
