| Tranent to Mangualde | 1,082.10 mi (1,741.47 km) |
| Tranent to Marco de Canavezes | 1,046.50 mi (1,684.19 km) |
| Tranent to Marinha Grande | 1,151.75 mi (1,853.56 km) |
| Tranent to Massama | 1,222.65 mi (1,967.66 km) |
| Tranent to Matosinhos | 1,052.33 mi (1,693.56 km) |
| Tranent to Mealhada | 1,103.78 mi (1,776.36 km) |
| Tranent to Melgaco | 984.56 mi (1,584.50 km) |
| Tranent to Melres | 1,056.97 mi (1,701.04 km) |
| Tranent to Mira | 1,103.37 mi (1,775.70 km) |
| Tranent to Miranda do Corvo | 1,121.81 mi (1,805.38 km) |
| Tranent to Mirandela | 1,017.01 mi (1,636.72 km) |
| Tranent to Mogadouro | 1,023.70 mi (1,647.48 km) |
| Tranent to Moimenta da Beira | 1,055.21 mi (1,698.20 km) |
| Tranent to Moita | 1,226.77 mi (1,974.30 km) |
| Tranent to Moncao | 989.84 mi (1,592.99 km) |
