| Acton to Montigny-les-Metz | 328.72 mi (529.02 km) |
| Acton to Montivilliers | 137.42 mi (221.15 km) |
| Acton to Montlouis-sur-Loire | 289.25 mi (465.50 km) |
| Acton to Montlucon | 380.39 mi (612.18 km) |
| Acton to Montmagny | 210.12 mi (338.16 km) |
| Acton to Montmorency | 208.57 mi (335.66 km) |
| Acton to Montpellier | 578.94 mi (931.72 km) |
| Acton to Montreuil | 219.06 mi (352.55 km) |
| Acton to Montrouge | 218.77 mi (352.07 km) |
| Acton to Morangis | 225.68 mi (363.19 km) |
| Acton to Morieres-les-Avignon | 575.45 mi (926.09 km) |
| Acton to Morlaix | 256.96 mi (413.54 km) |
| Acton to Morsang-sur-Orge | 228.61 mi (367.92 km) |
| Acton to Mouans-Sartoux | 640.74 mi (1,031.16 km) |
| Acton to Mougins | 642.50 mi (1,034.00 km) |
