| Barcs to Marco de Canavezes | 1,317.52 mi (2,120.35 km) |
| Barcs to Marinha Grande | 1,396.51 mi (2,247.47 km) |
| Barcs to Massama | 1,444.58 mi (2,324.83 km) |
| Barcs to Matosinhos | 1,343.84 mi (2,162.69 km) |
| Barcs to Mealhada | 1,354.44 mi (2,179.76 km) |
| Barcs to Melgaco | 1,299.11 mi (2,090.72 km) |
| Barcs to Melres | 1,332.66 mi (2,144.70 km) |
| Barcs to Mira | 1,366.48 mi (2,199.14 km) |
| Barcs to Miranda do Corvo | 1,357.31 mi (2,184.38 km) |
| Barcs to Mirandela | 1,263.13 mi (2,032.80 km) |
| Barcs to Mogadouro | 1,244.96 mi (2,003.58 km) |
| Barcs to Moimenta da Beira | 1,297.49 mi (2,088.10 km) |
| Barcs to Moita | 1,434.41 mi (2,308.45 km) |
| Barcs to Moncao | 1,310.41 mi (2,108.90 km) |
| Barcs to Montalegre | 1,283.61 mi (2,065.76 km) |
