| Prelouc to Marco de Canavezes | 1,291.24 mi (2,078.04 km) |
| Prelouc to Marinha Grande | 1,384.34 mi (2,227.88 km) |
| Prelouc to Massama | 1,442.38 mi (2,321.29 km) |
| Prelouc to Matosinhos | 1,314.34 mi (2,115.23 km) |
| Prelouc to Mealhada | 1,337.11 mi (2,151.87 km) |
| Prelouc to Melgaco | 1,259.06 mi (2,026.27 km) |
| Prelouc to Melres | 1,306.49 mi (2,102.59 km) |
| Prelouc to Mira | 1,346.77 mi (2,167.42 km) |
| Prelouc to Miranda do Corvo | 1,344.41 mi (2,163.62 km) |
| Prelouc to Mirandela | 1,238.39 mi (1,992.99 km) |
| Prelouc to Mogadouro | 1,225.29 mi (1,971.92 km) |
| Prelouc to Moimenta da Beira | 1,277.25 mi (2,055.54 km) |
| Prelouc to Moita | 1,435.36 mi (2,309.99 km) |
| Prelouc to Moncao | 1,269.81 mi (2,043.56 km) |
| Prelouc to Montalegre | 1,250.41 mi (2,012.35 km) |
