| Pianoro to Marco de Canavezes | 1,009.82 mi (1,625.15 km) |
| Pianoro to Marinha Grande | 1,084.43 mi (1,745.22 km) |
| Pianoro to Massama | 1,130.24 mi (1,818.95 km) |
| Pianoro to Matosinhos | 1,036.85 mi (1,668.65 km) |
| Pianoro to Mealhada | 1,043.90 mi (1,679.99 km) |
| Pianoro to Melgaco | 996.26 mi (1,603.33 km) |
| Pianoro to Melres | 1,024.77 mi (1,649.20 km) |
| Pianoro to Mira | 1,056.46 mi (1,700.21 km) |
| Pianoro to Miranda do Corvo | 1,045.66 mi (1,682.82 km) |
| Pianoro to Mirandela | 955.55 mi (1,537.81 km) |
| Pianoro to Mogadouro | 936.08 mi (1,506.48 km) |
| Pianoro to Moimenta da Beira | 988.23 mi (1,590.40 km) |
| Pianoro to Moita | 1,119.58 mi (1,801.79 km) |
| Pianoro to Moncao | 1,007.60 mi (1,621.58 km) |
| Pianoro to Montalegre | 978.52 mi (1,574.78 km) |
