| Apex to Mangualde | 3,771.32 mi (6,069.35 km) |
| Apex to Marco de Canavezes | 3,738.96 mi (6,017.28 km) |
| Apex to Marinha Grande | 3,732.73 mi (6,007.25 km) |
| Apex to Massama | 3,738.81 mi (6,017.03 km) |
| Apex to Matosinhos | 3,711.89 mi (5,973.71 km) |
| Apex to Mealhada | 3,742.26 mi (6,022.59 km) |
| Apex to Melgaco | 3,712.69 mi (5,975.00 km) |
| Apex to Melres | 3,729.27 mi (6,001.67 km) |
| Apex to Mira | 3,727.05 mi (5,998.11 km) |
| Apex to Miranda do Corvo | 3,754.59 mi (6,042.42 km) |
| Apex to Mirandela | 3,779.62 mi (6,082.72 km) |
| Apex to Mogadouro | 3,805.84 mi (6,124.91 km) |
| Apex to Moimenta da Beira | 3,769.97 mi (6,067.18 km) |
| Apex to Moita | 3,756.11 mi (6,044.87 km) |
| Apex to Moncao | 3,703.24 mi (5,959.79 km) |
