| Grosseto to Manfredonia | 258.63 mi (416.23 km) |
| Grosseto to Maniago | 248.06 mi (399.21 km) |
| Grosseto to Mantova | 165.83 mi (266.87 km) |
| Grosseto to Maranello | 122.62 mi (197.33 km) |
| Grosseto to Marano di Napoli | 204.50 mi (329.11 km) |
| Grosseto to Marano Vicentino | 203.34 mi (327.25 km) |
| Grosseto to Marcianise | 203.51 mi (327.52 km) |
| Grosseto to Marcon | 201.56 mi (324.39 km) |
| Grosseto to Mareno di Piave | 221.24 mi (356.05 km) |
| Grosseto to Margherita di Savoia | 276.44 mi (444.89 km) |
| Grosseto to Mariano Comense | 223.77 mi (360.12 km) |
| Grosseto to Marigliano | 213.92 mi (344.27 km) |
| Grosseto to Marino | 105.78 mi (170.24 km) |
| Grosseto to Marostica | 207.65 mi (334.18 km) |
| Grosseto to Marsala | 350.41 mi (563.93 km) |
