| Brockworth to Mangualde | 821.38 mi (1,321.88 km) |
| Brockworth to Marco de Canavezes | 789.61 mi (1,270.76 km) |
| Brockworth to Marinha Grande | 896.65 mi (1,443.02 km) |
| Brockworth to Massama | 967.51 mi (1,557.06 km) |
| Brockworth to Matosinhos | 799.30 mi (1,286.35 km) |
| Brockworth to Mealhada | 847.00 mi (1,363.11 km) |
| Brockworth to Melgaco | 731.07 mi (1,176.54 km) |
| Brockworth to Melres | 801.51 mi (1,289.91 km) |
| Brockworth to Mira | 848.59 mi (1,365.67 km) |
| Brockworth to Miranda do Corvo | 863.66 mi (1,389.92 km) |
| Brockworth to Mirandela | 754.36 mi (1,214.03 km) |
| Brockworth to Mogadouro | 757.91 mi (1,219.73 km) |
| Brockworth to Moimenta da Beira | 794.31 mi (1,278.32 km) |
| Brockworth to Moita | 969.66 mi (1,560.51 km) |
| Brockworth to Moncao | 737.83 mi (1,187.42 km) |
