| Barcelona to Montigny-les-Metz | 567.07 mi (912.62 km) |
| Barcelona to Montivilliers | 572.17 mi (920.81 km) |
| Barcelona to Montlouis-sur-Loire | 420.26 mi (676.34 km) |
| Barcelona to Montlucon | 343.24 mi (552.39 km) |
| Barcelona to Montmagny | 524.56 mi (844.20 km) |
| Barcelona to Montmorency | 525.72 mi (846.06 km) |
| Barcelona to Montpellier | 176.71 mi (284.39 km) |
| Barcelona to Montreuil | 516.88 mi (831.84 km) |
| Barcelona to Montrouge | 513.74 mi (826.78 km) |
| Barcelona to Morangis | 506.09 mi (814.47 km) |
| Barcelona to Morieres-les-Avignon | 224.64 mi (361.52 km) |
| Barcelona to Morlaix | 576.86 mi (928.37 km) |
| Barcelona to Morsang-sur-Orge | 503.02 mi (809.53 km) |
| Barcelona to Mouans-Sartoux | 289.00 mi (465.09 km) |
| Barcelona to Mougins | 289.28 mi (465.55 km) |
