| Penafiel to Mangualde | 49.74 mi (80.06 km) |
| Penafiel to Marco de Canavezes | 7.14 mi (11.49 km) |
| Penafiel to Marinha Grande | 106.23 mi (170.96 km) |
| Penafiel to Massama | 177.16 mi (285.12 km) |
| Penafiel to Matosinhos | 21.69 mi (34.90 km) |
| Penafiel to Mealhada | 57.50 mi (92.54 km) |
| Penafiel to Melgaco | 62.93 mi (101.28 km) |
| Penafiel to Melres | 11.36 mi (18.28 km) |
| Penafiel to Mira | 58.33 mi (93.87 km) |
| Penafiel to Miranda do Corvo | 76.46 mi (123.05 km) |
| Penafiel to Mirandela | 60.35 mi (97.12 km) |
| Penafiel to Mogadouro | 81.86 mi (131.75 km) |
| Penafiel to Moimenta da Beira | 38.25 mi (61.56 km) |
| Penafiel to Moita | 180.45 mi (290.40 km) |
| Penafiel to Moncao | 60.77 mi (97.81 km) |
