| Larbert to Mangualde | 1,080.12 mi (1,738.29 km) |
| Larbert to Marco de Canavezes | 1,043.66 mi (1,679.61 km) |
| Larbert to Marinha Grande | 1,148.20 mi (1,847.85 km) |
| Larbert to Massama | 1,218.96 mi (1,961.73 km) |
| Larbert to Matosinhos | 1,048.57 mi (1,687.51 km) |
| Larbert to Mealhada | 1,100.75 mi (1,771.49 km) |
| Larbert to Melgaco | 981.11 mi (1,578.95 km) |
| Larbert to Melres | 1,053.76 mi (1,695.86 km) |
| Larbert to Mira | 1,099.87 mi (1,770.07 km) |
| Larbert to Miranda do Corvo | 1,119.08 mi (1,800.99 km) |
| Larbert to Mirandela | 1,015.71 mi (1,634.63 km) |
| Larbert to Mogadouro | 1,023.26 mi (1,646.77 km) |
| Larbert to Moimenta da Beira | 1,053.35 mi (1,695.20 km) |
| Larbert to Moita | 1,223.56 mi (1,969.13 km) |
| Larbert to Moncao | 986.03 mi (1,586.87 km) |
