| Grinon to Marsala | 888.79 mi (1,430.36 km) |
| Grinon to Marsciano | 855.68 mi (1,377.09 km) |
| Grinon to Martano | 1,165.73 mi (1,876.05 km) |
| Grinon to Martellago | 888.12 mi (1,429.29 km) |
| Grinon to Martina Franca | 1,111.44 mi (1,788.69 km) |
| Grinon to Martinengo | 780.82 mi (1,256.61 km) |
| Grinon to Martinsicuro | 935.10 mi (1,504.90 km) |
| Grinon to Mascali | 1,035.16 mi (1,665.92 km) |
| Grinon to Mascalucia | 1,030.70 mi (1,658.74 km) |
| Grinon to Masera di Padova | 869.69 mi (1,399.63 km) |
| Grinon to Maserada sul Piave | 899.98 mi (1,448.38 km) |
| Grinon to Massa | 762.38 mi (1,226.93 km) |
| Grinon to Massa Lombarda | 850.32 mi (1,368.45 km) |
| Grinon to Massafra | 1,100.89 mi (1,771.71 km) |
| Grinon to Massalubrense | 956.09 mi (1,538.67 km) |
