| Barbastro to Mangualde | 420.91 mi (677.39 km) |
| Barbastro to Marco de Canavezes | 431.42 mi (694.31 km) |
| Barbastro to Marinha Grande | 498.56 mi (802.35 km) |
| Barbastro to Massama | 543.70 mi (875.01 km) |
| Barbastro to Matosinhos | 459.55 mi (739.58 km) |
| Barbastro to Mealhada | 459.96 mi (740.24 km) |
| Barbastro to Melgaco | 430.30 mi (692.50 km) |
| Barbastro to Melres | 445.74 mi (717.34 km) |
| Barbastro to Mira | 473.23 mi (761.60 km) |
| Barbastro to Miranda do Corvo | 460.30 mi (740.79 km) |
| Barbastro to Mirandela | 378.45 mi (609.06 km) |
| Barbastro to Mogadouro | 356.33 mi (573.45 km) |
| Barbastro to Moimenta da Beira | 406.93 mi (654.88 km) |
| Barbastro to Moita | 533.35 mi (858.35 km) |
| Barbastro to Moncao | 441.35 mi (710.28 km) |
