| Blackrock to Montigny-les-Metz | 606.53 mi (976.12 km) |
| Blackrock to Montivilliers | 377.29 mi (607.19 km) |
| Blackrock to Montlouis-sur-Loire | 511.66 mi (823.44 km) |
| Blackrock to Montlucon | 619.17 mi (996.45 km) |
| Blackrock to Montmagny | 474.81 mi (764.14 km) |
| Blackrock to Montmorency | 473.25 mi (761.62 km) |
| Blackrock to Montpellier | 811.01 mi (1,305.20 km) |
| Blackrock to Montreuil | 483.34 mi (777.85 km) |
| Blackrock to Montrouge | 481.35 mi (774.66 km) |
| Blackrock to Morangis | 487.05 mi (783.83 km) |
| Blackrock to Morieres-les-Avignon | 819.27 mi (1,318.48 km) |
| Blackrock to Morlaix | 342.01 mi (550.41 km) |
| Blackrock to Morsang-sur-Orge | 489.56 mi (787.88 km) |
| Blackrock to Mouans-Sartoux | 897.44 mi (1,444.29 km) |
| Blackrock to Mougins | 899.23 mi (1,447.17 km) |
