| Biarritz to Montilla | 438.14 mi (705.11 km) |
| Biarritz to Montmelo | 235.21 mi (378.54 km) |
| Biarritz to Montornes del Valles | 236.34 mi (380.36 km) |
| Biarritz to Montoro | 405.31 mi (652.28 km) |
| Biarritz to Monzon | 140.22 mi (225.67 km) |
| Biarritz to Mora | 286.18 mi (460.57 km) |
| Biarritz to Moralzarzal | 229.82 mi (369.86 km) |
| Biarritz to Moron de la Frontera | 484.64 mi (779.96 km) |
| Biarritz to Mostoles | 247.64 mi (398.54 km) |
| Biarritz to Motril | 476.31 mi (766.55 km) |
| Biarritz to Muchamiel | 354.84 mi (571.06 km) |
| Biarritz to Mula | 375.75 mi (604.72 km) |
| Biarritz to Munguia | 65.18 mi (104.89 km) |
| Biarritz to Murcia | 380.26 mi (611.96 km) |
| Biarritz to Muro del Alcoy | 329.97 mi (531.04 km) |
