| Barcelos to Marco de Canavezes | 33.42 mi (53.78 km) |
| Barcelos to Marinha Grande | 123.19 mi (198.26 km) |
| Barcelos to Massama | 193.83 mi (311.94 km) |
| Barcelos to Matosinhos | 23.44 mi (37.72 km) |
| Barcelos to Mealhada | 78.79 mi (126.80 km) |
| Barcelos to Melgaco | 45.20 mi (72.75 km) |
| Barcelos to Melres | 33.06 mi (53.21 km) |
| Barcelos to Mira | 75.10 mi (120.87 km) |
| Barcelos to Miranda do Corvo | 99.00 mi (159.33 km) |
| Barcelos to Mirandela | 74.29 mi (119.55 km) |
| Barcelos to Mogadouro | 99.24 mi (159.72 km) |
| Barcelos to Moimenta da Beira | 63.97 mi (102.95 km) |
| Barcelos to Moita | 199.01 mi (320.28 km) |
| Barcelos to Moncao | 39.10 mi (62.92 km) |
| Barcelos to Montalegre | 47.55 mi (76.53 km) |
