| Piekary Slaskie to Marco de Canavezes | 1,441.33 mi (2,319.59 km) |
| Piekary Slaskie to Marinha Grande | 1,533.45 mi (2,467.84 km) |
| Piekary Slaskie to Massama | 1,590.62 mi (2,559.86 km) |
| Piekary Slaskie to Matosinhos | 1,464.70 mi (2,357.20 km) |
| Piekary Slaskie to Mealhada | 1,486.58 mi (2,392.42 km) |
| Piekary Slaskie to Melgaco | 1,409.97 mi (2,269.12 km) |
| Piekary Slaskie to Melres | 1,456.60 mi (2,344.17 km) |
| Piekary Slaskie to Mira | 1,496.46 mi (2,408.32 km) |
| Piekary Slaskie to Miranda do Corvo | 1,493.50 mi (2,403.56 km) |
| Piekary Slaskie to Mirandela | 1,388.26 mi (2,234.19 km) |
| Piekary Slaskie to Mogadouro | 1,374.73 mi (2,212.41 km) |
| Piekary Slaskie to Moimenta da Beira | 1,426.85 mi (2,296.29 km) |
| Piekary Slaskie to Moita | 1,583.25 mi (2,547.99 km) |
| Piekary Slaskie to Moncao | 1,420.76 mi (2,286.49 km) |
| Piekary Slaskie to Montalegre | 1,400.91 mi (2,254.54 km) |
