| Blackpool to Mangualde | 938.59 mi (1,510.52 km) |
| Blackpool to Marco de Canavezes | 904.00 mi (1,454.85 km) |
| Blackpool to Marinha Grande | 1,009.95 mi (1,625.36 km) |
| Blackpool to Massama | 1,080.95 mi (1,739.63 km) |
| Blackpool to Matosinhos | 910.96 mi (1,466.05 km) |
| Blackpool to Mealhada | 961.41 mi (1,547.24 km) |
| Blackpool to Melgaco | 842.90 mi (1,356.52 km) |
| Blackpool to Melres | 914.90 mi (1,472.39 km) |
| Blackpool to Mira | 961.59 mi (1,547.52 km) |
| Blackpool to Miranda do Corvo | 979.08 mi (1,575.68 km) |
| Blackpool to Mirandela | 872.90 mi (1,404.79 km) |
| Blackpool to Mogadouro | 878.81 mi (1,414.31 km) |
| Blackpool to Moimenta da Beira | 911.62 mi (1,467.10 km) |
| Blackpool to Moita | 1,084.49 mi (1,745.32 km) |
| Blackpool to Moncao | 848.62 mi (1,365.73 km) |
