| Petroupoli to Marco de Canavezes | 1,698.85 mi (2,734.04 km) |
| Petroupoli to Marinha Grande | 1,748.37 mi (2,813.73 km) |
| Petroupoli to Massama | 1,775.73 mi (2,857.77 km) |
| Petroupoli to Matosinhos | 1,727.40 mi (2,779.99 km) |
| Petroupoli to Mealhada | 1,718.48 mi (2,765.63 km) |
| Petroupoli to Melgaco | 1,702.40 mi (2,739.75 km) |
| Petroupoli to Melres | 1,712.31 mi (2,755.70 km) |
| Petroupoli to Mira | 1,733.02 mi (2,789.03 km) |
| Petroupoli to Miranda do Corvo | 1,714.18 mi (2,758.70 km) |
| Petroupoli to Mirandela | 1,647.73 mi (2,651.77 km) |
| Petroupoli to Mogadouro | 1,624.01 mi (2,613.60 km) |
| Petroupoli to Moimenta da Beira | 1,671.76 mi (2,690.43 km) |
| Petroupoli to Moita | 1,761.35 mi (2,834.62 km) |
| Petroupoli to Moncao | 1,713.40 mi (2,757.46 km) |
| Petroupoli to Montalegre | 1,678.50 mi (2,701.28 km) |
