| Forfar to Mangualde | 1,129.67 mi (1,818.03 km) |
| Forfar to Marco de Canavezes | 1,093.84 mi (1,760.36 km) |
| Forfar to Marinha Grande | 1,198.88 mi (1,929.41 km) |
| Forfar to Massama | 1,269.75 mi (2,043.46 km) |
| Forfar to Matosinhos | 1,099.39 mi (1,769.29 km) |
| Forfar to Mealhada | 1,151.06 mi (1,852.46 km) |
| Forfar to Melgaco | 1,031.71 mi (1,660.38 km) |
| Forfar to Melres | 1,104.20 mi (1,777.04 km) |
| Forfar to Mira | 1,150.52 mi (1,851.58 km) |
| Forfar to Miranda do Corvo | 1,169.19 mi (1,881.62 km) |
| Forfar to Mirandela | 1,064.74 mi (1,713.53 km) |
| Forfar to Mogadouro | 1,071.61 mi (1,724.58 km) |
| Forfar to Moimenta da Beira | 1,102.81 mi (1,774.80 km) |
| Forfar to Moita | 1,274.02 mi (2,050.33 km) |
| Forfar to Moncao | 1,036.87 mi (1,668.68 km) |
