| Freeport to Mangualde | 3,365.44 mi (5,416.15 km) |
| Freeport to Marco de Canavezes | 3,331.32 mi (5,361.24 km) |
| Freeport to Marinha Grande | 3,331.57 mi (5,361.64 km) |
| Freeport to Massama | 3,342.17 mi (5,378.70 km) |
| Freeport to Matosinhos | 3,304.83 mi (5,318.61 km) |
| Freeport to Mealhada | 3,338.01 mi (5,372.01 km) |
| Freeport to Melgaco | 3,301.71 mi (5,313.59 km) |
| Freeport to Melres | 3,322.33 mi (5,346.77 km) |
| Freeport to Mira | 3,322.93 mi (5,347.74 km) |
| Freeport to Miranda do Corvo | 3,351.31 mi (5,393.42 km) |
| Freeport to Mirandela | 3,369.85 mi (5,423.24 km) |
| Freeport to Mogadouro | 3,396.13 mi (5,465.54 km) |
| Freeport to Moimenta da Beira | 3,362.51 mi (5,411.43 km) |
| Freeport to Moita | 3,359.53 mi (5,406.64 km) |
| Freeport to Moncao | 3,292.63 mi (5,298.97 km) |
