| Grevena to Marsciano | 509.30 mi (819.64 km) |
| Grevena to Martano | 165.37 mi (266.14 km) |
| Grevena to Martellago | 601.93 mi (968.72 km) |
| Grevena to Martina Franca | 219.58 mi (353.38 km) |
| Grevena to Martinengo | 700.89 mi (1,127.97 km) |
| Grevena to Martinsicuro | 433.96 mi (698.39 km) |
| Grevena to Mascali | 371.50 mi (597.88 km) |
| Grevena to Mascalucia | 384.73 mi (619.16 km) |
| Grevena to Masera di Padova | 604.57 mi (972.97 km) |
| Grevena to Maserada sul Piave | 604.07 mi (972.15 km) |
| Grevena to Massa | 639.65 mi (1,029.42 km) |
| Grevena to Massa Lombarda | 575.99 mi (926.97 km) |
| Grevena to Massafra | 229.62 mi (369.53 km) |
| Grevena to Massalubrense | 374.37 mi (602.50 km) |
| Grevena to Massarosa | 626.22 mi (1,007.81 km) |
