| Methil to Mangualde | 1,097.57 mi (1,766.38 km) |
| Methil to Marco de Canavezes | 1,061.81 mi (1,708.82 km) |
| Methil to Marinha Grande | 1,166.92 mi (1,877.97 km) |
| Methil to Massama | 1,237.80 mi (1,992.04 km) |
| Methil to Matosinhos | 1,067.45 mi (1,717.90 km) |
| Methil to Mealhada | 1,119.05 mi (1,800.94 km) |
| Methil to Melgaco | 999.74 mi (1,608.93 km) |
| Methil to Melres | 1,072.21 mi (1,725.55 km) |
| Methil to Mira | 1,118.55 mi (1,800.13 km) |
| Methil to Miranda do Corvo | 1,137.15 mi (1,830.06 km) |
| Methil to Mirandela | 1,032.60 mi (1,661.81 km) |
| Methil to Mogadouro | 1,039.44 mi (1,672.82 km) |
| Methil to Moimenta da Beira | 1,070.70 mi (1,723.13 km) |
| Methil to Moita | 1,242.02 mi (1,998.84 km) |
| Methil to Moncao | 1,004.94 mi (1,617.29 km) |
