| Bertem to Marco de Canavezes | 903.75 mi (1,454.45 km) |
| Bertem to Marinha Grande | 1,007.62 mi (1,621.61 km) |
| Bertem to Massama | 1,074.23 mi (1,728.81 km) |
| Bertem to Matosinhos | 921.58 mi (1,483.15 km) |
| Bertem to Mealhada | 957.23 mi (1,540.51 km) |
| Bertem to Melgaco | 857.79 mi (1,380.48 km) |
| Bertem to Melres | 918.13 mi (1,477.58 km) |
| Bertem to Mira | 963.42 mi (1,550.47 km) |
| Bertem to Miranda do Corvo | 969.40 mi (1,560.10 km) |
| Bertem to Mirandela | 856.61 mi (1,378.58 km) |
| Bertem to Mogadouro | 850.82 mi (1,369.26 km) |
| Bertem to Moimenta da Beira | 898.03 mi (1,445.24 km) |
| Bertem to Moita | 1,071.54 mi (1,724.47 km) |
| Bertem to Moncao | 867.23 mi (1,395.68 km) |
| Bertem to Montalegre | 857.64 mi (1,380.23 km) |
