| Barreiro to Montilla | 252.30 mi (406.03 km) |
| Barreiro to Montmelo | 629.85 mi (1,013.64 km) |
| Barreiro to Montornes del Valles | 630.52 mi (1,014.72 km) |
| Barreiro to Montoro | 257.71 mi (414.75 km) |
| Barreiro to Monzon | 536.48 mi (863.39 km) |
| Barreiro to Mora | 291.87 mi (469.71 km) |
| Barreiro to Moralzarzal | 304.47 mi (489.99 km) |
| Barreiro to Moron de la Frontera | 224.11 mi (360.68 km) |
| Barreiro to Mostoles | 300.13 mi (483.02 km) |
| Barreiro to Motril | 330.94 mi (532.60 km) |
| Barreiro to Muchamiel | 466.06 mi (750.06 km) |
| Barreiro to Mula | 412.63 mi (664.07 km) |
| Barreiro to Munguia | 458.07 mi (737.19 km) |
| Barreiro to Murcia | 432.60 mi (696.20 km) |
| Barreiro to Muro del Alcoy | 465.13 mi (748.55 km) |
