| Zero Branco to Marco de Canavezes | 1,061.41 mi (1,708.18 km) |
| Zero Branco to Marinha Grande | 1,141.35 mi (1,836.82 km) |
| Zero Branco to Massama | 1,190.59 mi (1,916.06 km) |
| Zero Branco to Matosinhos | 1,087.66 mi (1,750.42 km) |
| Zero Branco to Mealhada | 1,098.80 mi (1,768.35 km) |
| Zero Branco to Melgaco | 1,042.94 mi (1,678.46 km) |
| Zero Branco to Melres | 1,076.56 mi (1,732.56 km) |
| Zero Branco to Mira | 1,110.72 mi (1,787.53 km) |
| Zero Branco to Miranda do Corvo | 1,102.01 mi (1,773.51 km) |
| Zero Branco to Mirandela | 1,007.02 mi (1,620.64 km) |
| Zero Branco to Mogadouro | 989.04 mi (1,591.70 km) |
| Zero Branco to Moimenta da Beira | 1,041.60 mi (1,676.30 km) |
| Zero Branco to Moita | 1,180.80 mi (1,900.31 km) |
| Zero Branco to Moncao | 1,054.24 mi (1,696.64 km) |
| Zero Branco to Montalegre | 1,027.37 mi (1,653.40 km) |
