| Long Branch to Mangualde | 3,394.70 mi (5,463.23 km) |
| Long Branch to Marco de Canavezes | 3,360.71 mi (5,408.54 km) |
| Long Branch to Marinha Grande | 3,360.44 mi (5,408.11 km) |
| Long Branch to Massama | 3,370.68 mi (5,424.59 km) |
| Long Branch to Matosinhos | 3,334.17 mi (5,365.83 km) |
| Long Branch to Mealhada | 3,367.13 mi (5,418.88 km) |
| Long Branch to Melgaco | 3,331.37 mi (5,361.33 km) |
| Long Branch to Melres | 3,351.67 mi (5,393.98 km) |
| Long Branch to Mira | 3,352.04 mi (5,394.59 km) |
| Long Branch to Miranda do Corvo | 3,380.36 mi (5,440.16 km) |
| Long Branch to Mirandela | 3,399.42 mi (5,470.84 km) |
| Long Branch to Mogadouro | 3,425.70 mi (5,513.13 km) |
| Long Branch to Moimenta da Beira | 3,391.89 mi (5,458.72 km) |
| Long Branch to Moita | 3,388.04 mi (5,452.52 km) |
| Long Branch to Moncao | 3,322.26 mi (5,346.66 km) |
