| Montrose to Mangualde | 1,137.76 mi (1,831.05 km) |
| Montrose to Marco de Canavezes | 1,102.29 mi (1,773.96 km) |
| Montrose to Marinha Grande | 1,207.59 mi (1,943.43 km) |
| Montrose to Massama | 1,278.50 mi (2,057.55 km) |
| Montrose to Matosinhos | 1,108.20 mi (1,783.47 km) |
| Montrose to Mealhada | 1,159.57 mi (1,866.15 km) |
| Montrose to Melgaco | 1,040.41 mi (1,674.38 km) |
| Montrose to Melres | 1,112.79 mi (1,790.87 km) |
| Montrose to Mira | 1,159.21 mi (1,865.57 km) |
| Montrose to Miranda do Corvo | 1,177.57 mi (1,895.12 km) |
| Montrose to Mirandela | 1,072.56 mi (1,726.12 km) |
| Montrose to Mogadouro | 1,079.08 mi (1,736.61 km) |
| Montrose to Moimenta da Beira | 1,110.86 mi (1,787.75 km) |
| Montrose to Moita | 1,282.58 mi (2,064.12 km) |
| Montrose to Moncao | 1,045.71 mi (1,682.90 km) |
