| Penrith to Mangualde | 998.42 mi (1,606.81 km) |
| Penrith to Marco de Canavezes | 963.68 mi (1,550.89 km) |
| Penrith to Marinha Grande | 1,069.52 mi (1,721.22 km) |
| Penrith to Massama | 1,140.51 mi (1,835.47 km) |
| Penrith to Matosinhos | 970.44 mi (1,561.77 km) |
| Penrith to Mealhada | 1,021.07 mi (1,643.25 km) |
| Penrith to Melgaco | 902.42 mi (1,452.31 km) |
| Penrith to Melres | 974.51 mi (1,568.32 km) |
| Penrith to Mira | 1,021.14 mi (1,643.37 km) |
| Penrith to Miranda do Corvo | 1,038.80 mi (1,671.79 km) |
| Penrith to Mirandela | 932.79 mi (1,501.19 km) |
| Penrith to Mogadouro | 938.77 mi (1,510.80 km) |
| Penrith to Moimenta da Beira | 971.46 mi (1,563.41 km) |
| Penrith to Moita | 1,144.15 mi (1,841.33 km) |
| Penrith to Moncao | 908.06 mi (1,461.38 km) |
