| Grosseto to Marsciano | 63.33 mi (101.93 km) |
| Grosseto to Martano | 412.53 mi (663.91 km) |
| Grosseto to Martellago | 199.10 mi (320.42 km) |
| Grosseto to Martina Franca | 351.57 mi (565.80 km) |
| Grosseto to Martinengo | 204.66 mi (329.36 km) |
| Grosseto to Martinsicuro | 142.96 mi (230.07 km) |
| Grosseto to Mascali | 408.39 mi (657.23 km) |
| Grosseto to Mascalucia | 415.31 mi (668.37 km) |
| Grosseto to Masera di Padova | 180.25 mi (290.09 km) |
| Grosseto to Maserada sul Piave | 214.73 mi (345.58 km) |
| Grosseto to Massa | 100.07 mi (161.04 km) |
| Grosseto to Massa Lombarda | 121.70 mi (195.86 km) |
| Grosseto to Massafra | 345.10 mi (555.39 km) |
| Grosseto to Massalubrense | 223.99 mi (360.47 km) |
| Grosseto to Massarosa | 85.22 mi (137.14 km) |
