| Pike Creek Valley to Mangualde | 3,493.17 mi (5,621.72 km) |
| Pike Creek Valley to Marco de Canavezes | 3,459.18 mi (5,567.01 km) |
| Pike Creek Valley to Marinha Grande | 3,458.90 mi (5,566.56 km) |
| Pike Creek Valley to Massama | 3,469.07 mi (5,582.93 km) |
| Pike Creek Valley to Matosinhos | 3,432.65 mi (5,524.31 km) |
| Pike Creek Valley to Mealhada | 3,465.61 mi (5,577.37 km) |
| Pike Creek Valley to Melgaco | 3,429.79 mi (5,519.72 km) |
| Pike Creek Valley to Melres | 3,450.14 mi (5,552.46 km) |
| Pike Creek Valley to Mira | 3,450.52 mi (5,553.07 km) |
| Pike Creek Valley to Miranda do Corvo | 3,478.83 mi (5,598.64 km) |
| Pike Creek Valley to Mirandela | 3,497.86 mi (5,629.26 km) |
| Pike Creek Valley to Mogadouro | 3,524.14 mi (5,671.56 km) |
| Pike Creek Valley to Moimenta da Beira | 3,490.36 mi (5,617.19 km) |
| Pike Creek Valley to Moita | 3,486.43 mi (5,610.86 km) |
| Pike Creek Valley to Moncao | 3,420.69 mi (5,505.06 km) |
