| Plav to Marco de Canavezes | 1,441.44 mi (2,319.78 km) |
| Plav to Marinha Grande | 1,507.04 mi (2,425.34 km) |
| Plav to Massama | 1,545.74 mi (2,487.62 km) |
| Plav to Matosinhos | 1,469.27 mi (2,364.57 km) |
| Plav to Mealhada | 1,470.32 mi (2,366.25 km) |
| Plav to Melgaco | 1,433.82 mi (2,307.51 km) |
| Plav to Melres | 1,455.97 mi (2,343.16 km) |
| Plav to Mira | 1,483.79 mi (2,387.92 km) |
| Plav to Miranda do Corvo | 1,469.69 mi (2,365.23 km) |
| Plav to Mirandela | 1,387.84 mi (2,233.51 km) |
| Plav to Mogadouro | 1,366.57 mi (2,199.28 km) |
| Plav to Moimenta da Beira | 1,417.56 mi (2,281.34 km) |
| Plav to Moita | 1,533.36 mi (2,467.71 km) |
| Plav to Moncao | 1,445.13 mi (2,325.71 km) |
| Plav to Montalegre | 1,413.83 mi (2,275.34 km) |
