| Grottammare to Montigny-les-Metz | 560.71 mi (902.38 km) |
| Grottammare to Montivilliers | 793.06 mi (1,276.31 km) |
| Grottammare to Montlouis-sur-Loire | 702.71 mi (1,130.90 km) |
| Grottammare to Montlucon | 599.24 mi (964.38 km) |
| Grottammare to Montmagny | 689.31 mi (1,109.34 km) |
| Grottammare to Montmorency | 690.82 mi (1,111.77 km) |
| Grottammare to Montpellier | 503.79 mi (810.77 km) |
| Grottammare to Montreuil | 681.40 mi (1,096.61 km) |
| Grottammare to Montrouge | 684.49 mi (1,101.58 km) |
| Grottammare to Morangis | 680.00 mi (1,094.35 km) |
| Grottammare to Morieres-les-Avignon | 453.93 mi (730.52 km) |
| Grottammare to Morlaix | 933.01 mi (1,501.53 km) |
| Grottammare to Morsang-sur-Orge | 677.96 mi (1,091.07 km) |
| Grottammare to Mouans-Sartoux | 349.25 mi (562.06 km) |
| Grottammare to Mougins | 348.00 mi (560.05 km) |
