| Penzance to Mangualde | 666.13 mi (1,072.04 km) |
| Penzance to Marco de Canavezes | 630.06 mi (1,013.98 km) |
| Penzance to Marinha Grande | 735.23 mi (1,183.24 km) |
| Penzance to Massama | 806.14 mi (1,297.36 km) |
| Penzance to Matosinhos | 635.86 mi (1,023.32 km) |
| Penzance to Mealhada | 687.29 mi (1,106.08 km) |
| Penzance to Melgaco | 568.05 mi (914.18 km) |
| Penzance to Melres | 640.46 mi (1,030.72 km) |
| Penzance to Mira | 686.85 mi (1,105.38 km) |
| Penzance to Miranda do Corvo | 705.41 mi (1,135.25 km) |
| Penzance to Mirandela | 601.73 mi (968.39 km) |
| Penzance to Mogadouro | 609.67 mi (981.17 km) |
| Penzance to Moimenta da Beira | 639.34 mi (1,028.92 km) |
| Penzance to Moita | 810.26 mi (1,303.99 km) |
| Penzance to Moncao | 573.39 mi (922.78 km) |
