| Barreiro to Los Palacios y Villafranca | 200.34 mi (322.42 km) |
| Barreiro to Luanco | 381.66 mi (614.22 km) |
| Barreiro to Lucena | 264.31 mi (425.36 km) |
| Barreiro to Lugo | 310.82 mi (500.22 km) |
| Barreiro to Lumbreras | 401.81 mi (646.66 km) |
| Barreiro to Madrid | 310.24 mi (499.28 km) |
| Barreiro to Madridejos | 301.89 mi (485.84 km) |
| Barreiro to Mahon | 717.29 mi (1,154.37 km) |
| Barreiro to Mairena del Alcor | 202.45 mi (325.81 km) |
| Barreiro to Mairena del Aljarafe | 187.51 mi (301.78 km) |
| Barreiro to Majadahonda | 303.44 mi (488.33 km) |
| Barreiro to Malaga | 287.43 mi (462.57 km) |
| Barreiro to Malgrat de Mar | 656.07 mi (1,055.84 km) |
| Barreiro to Manacor | 660.47 mi (1,062.93 km) |
| Barreiro to Mancha Real | 302.17 mi (486.30 km) |
