| Grinon to Montevarchi | 824.29 mi (1,326.57 km) |
| Grinon to Monticello Conte Otto | 863.15 mi (1,389.11 km) |
| Grinon to Montichiari | 804.70 mi (1,295.03 km) |
| Grinon to Montignoso | 763.67 mi (1,229.01 km) |
| Grinon to Montopoli in Val d'Arno | 786.06 mi (1,265.04 km) |
| Grinon to Monza | 759.38 mi (1,222.10 km) |
| Grinon to Morbegno | 788.47 mi (1,268.91 km) |
| Grinon to Mori | 842.39 mi (1,355.69 km) |
| Grinon to Morlupo | 859.47 mi (1,383.19 km) |
| Grinon to Morrovalle | 921.72 mi (1,483.37 km) |
| Grinon to Mortara | 726.74 mi (1,169.57 km) |
| Grinon to Mosciano Sant'Angelo | 932.60 mi (1,500.88 km) |
| Grinon to Motta di Livenza | 913.94 mi (1,470.85 km) |
| Grinon to Motta Sant'Anastasia | 1,027.60 mi (1,653.76 km) |
| Grinon to Mottola | 1,096.21 mi (1,764.18 km) |
