| Grottammare to Mombris | 537.31 mi (864.72 km) |
| Grottammare to Monchengladbach | 665.58 mi (1,071.15 km) |
| Grottammare to Monschau | 634.28 mi (1,020.78 km) |
| Grottammare to Montabaur | 588.33 mi (946.83 km) |
| Grottammare to Moosburg | 389.70 mi (627.16 km) |
| Grottammare to Morbach | 570.36 mi (917.91 km) |
| Grottammare to Morfelden-Walldorf | 545.32 mi (877.61 km) |
| Grottammare to Morlenbach | 517.87 mi (833.42 km) |
| Grottammare to Morsbach | 616.24 mi (991.75 km) |
| Grottammare to Mosbach | 493.96 mi (794.96 km) |
| Grottammare to Mosigkau | 615.74 mi (990.94 km) |
| Grottammare to Mossingen | 440.14 mi (708.34 km) |
| Grottammare to Much | 626.30 mi (1,007.94 km) |
| Grottammare to Mucheln | 582.27 mi (937.07 km) |
| Grottammare to Muhlacker | 477.09 mi (767.81 km) |
