| Humenne to Mangualde | 1,552.66 mi (2,498.77 km) |
| Humenne to Marco de Canavezes | 1,549.42 mi (2,493.55 km) |
| Humenne to Marinha Grande | 1,636.53 mi (2,633.74 km) |
| Humenne to Massama | 1,689.98 mi (2,719.76 km) |
| Humenne to Matosinhos | 1,574.11 mi (2,533.28 km) |
| Humenne to Mealhada | 1,591.47 mi (2,561.22 km) |
| Humenne to Melgaco | 1,523.01 mi (2,451.05 km) |
| Humenne to Melres | 1,564.72 mi (2,518.17 km) |
| Humenne to Mira | 1,602.30 mi (2,578.66 km) |
| Humenne to Miranda do Corvo | 1,596.71 mi (2,569.65 km) |
| Humenne to Mirandela | 1,495.51 mi (2,406.79 km) |
| Humenne to Mogadouro | 1,479.99 mi (2,381.81 km) |
| Humenne to Moimenta da Beira | 1,532.58 mi (2,466.44 km) |
| Humenne to Moita | 1,681.32 mi (2,705.82 km) |
| Humenne to Moncao | 1,534.06 mi (2,468.82 km) |
