| Liberty Triangle to Mangualde | 4,172.62 mi (6,715.19 km) |
| Liberty Triangle to Marco de Canavezes | 4,143.14 mi (6,667.75 km) |
| Liberty Triangle to Marinha Grande | 4,127.29 mi (6,642.24 km) |
| Liberty Triangle to Massama | 4,126.74 mi (6,641.35 km) |
| Liberty Triangle to Matosinhos | 4,115.36 mi (6,623.03 km) |
| Liberty Triangle to Mealhada | 4,141.32 mi (6,664.81 km) |
| Liberty Triangle to Melgaco | 4,122.13 mi (6,633.93 km) |
| Liberty Triangle to Melres | 4,132.44 mi (6,650.52 km) |
| Liberty Triangle to Mira | 4,126.02 mi (6,640.19 km) |
| Liberty Triangle to Miranda do Corvo | 4,152.11 mi (6,682.18 km) |
| Liberty Triangle to Mirandela | 4,186.80 mi (6,738.00 km) |
| Liberty Triangle to Mogadouro | 4,212.75 mi (6,779.77 km) |
| Liberty Triangle to Moimenta da Beira | 4,173.66 mi (6,716.86 km) |
| Liberty Triangle to Moita | 4,143.82 mi (6,668.83 km) |
| Liberty Triangle to Moncao | 4,112.17 mi (6,617.90 km) |
