| Breuillet to Marco de Canavezes | 716.83 mi (1,153.63 km) |
| Breuillet to Marinha Grande | 819.32 mi (1,318.57 km) |
| Breuillet to Massama | 884.97 mi (1,424.23 km) |
| Breuillet to Matosinhos | 735.91 mi (1,184.33 km) |
| Breuillet to Mealhada | 769.20 mi (1,237.91 km) |
| Breuillet to Melgaco | 673.85 mi (1,084.45 km) |
| Breuillet to Melres | 731.47 mi (1,177.19 km) |
| Breuillet to Mira | 776.03 mi (1,248.91 km) |
| Breuillet to Miranda do Corvo | 780.66 mi (1,256.35 km) |
| Breuillet to Mirandela | 668.34 mi (1,075.59 km) |
| Breuillet to Mogadouro | 661.39 mi (1,064.41 km) |
| Breuillet to Moimenta da Beira | 709.57 mi (1,141.95 km) |
| Breuillet to Moita | 881.74 mi (1,419.03 km) |
| Breuillet to Moncao | 683.72 mi (1,100.34 km) |
| Breuillet to Montalegre | 671.56 mi (1,080.77 km) |
