| Grosseto to Monticello (Minnesota) | 4,803.46 mi (7,730.42 km) |
| Grosseto to Montrose (Colorado) | 5,645.91 mi (9,086.22 km) |
| Grosseto to Moody (Alabama) | 5,033.28 mi (8,100.28 km) |
| Grosseto to Moore (Oklahoma) | 5,413.74 mi (8,712.57 km) |
| Grosseto to Moorestown-Lenola (New Jersey) | 4,259.98 mi (6,855.78 km) |
| Grosseto to Mooresville (North Carolina) | 4,696.45 mi (7,558.20 km) |
| Grosseto to Moorhead (Minnesota) | 4,837.84 mi (7,785.75 km) |
| Grosseto to Moorpark (California) | 6,246.88 mi (10,053.38 km) |
| Grosseto to Moraga (California) | 6,140.93 mi (9,882.87 km) |
| Grosseto to Moreno Valley (California) | 6,212.95 mi (9,998.78 km) |
| Grosseto to Morgan City (Louisiana) | 5,418.39 mi (8,720.06 km) |
| Grosseto to Morgan Hill (California) | 6,168.24 mi (9,926.82 km) |
| Grosseto to Morganton (North Carolina) | 4,728.57 mi (7,609.90 km) |
| Grosseto to Morgantown (West Virginia) | 4,490.07 mi (7,226.07 km) |
| Grosseto to Morris (Illinois) | 4,770.67 mi (7,677.65 km) |
