| Pierre to Mangualde | 4,454.71 mi (7,169.16 km) |
| Pierre to Marco de Canavezes | 4,414.24 mi (7,104.03 km) |
| Pierre to Marinha Grande | 4,441.70 mi (7,148.22 km) |
| Pierre to Massama | 4,469.14 mi (7,192.38 km) |
| Pierre to Matosinhos | 4,391.45 mi (7,067.36 km) |
| Pierre to Mealhada | 4,435.33 mi (7,137.98 km) |
| Pierre to Melgaco | 4,370.54 mi (7,033.70 km) |
| Pierre to Melres | 4,408.76 mi (7,095.21 km) |
| Pierre to Mira | 4,421.40 mi (7,115.55 km) |
| Pierre to Miranda do Corvo | 4,452.14 mi (7,165.03 km) |
| Pierre to Mirandela | 4,441.42 mi (7,147.78 km) |
| Pierre to Mogadouro | 4,466.91 mi (7,188.79 km) |
| Pierre to Moimenta da Beira | 4,444.97 mi (7,153.48 km) |
| Pierre to Moita | 4,486.08 mi (7,219.65 km) |
| Pierre to Moncao | 4,363.58 mi (7,022.51 km) |
