| Grosseto to Somma Lombardo | 233.92 mi (376.45 km) |
| Grosseto to Somma Vesuviana | 215.96 mi (347.55 km) |
| Grosseto to Sommacampagna | 182.37 mi (293.49 km) |
| Grosseto to Sona | 184.72 mi (297.28 km) |
| Grosseto to Sondrio | 242.81 mi (390.77 km) |
| Grosseto to Sora | 147.76 mi (237.79 km) |
| Grosseto to Sorbolo | 147.31 mi (237.07 km) |
| Grosseto to Soresina | 184.72 mi (297.28 km) |
| Grosseto to Sorisole | 217.33 mi (349.76 km) |
| Grosseto to Sorrento | 224.38 mi (361.11 km) |
| Grosseto to Sorso | 188.11 mi (302.73 km) |
| Grosseto to Sortino | 439.29 mi (706.97 km) |
| Grosseto to Soverato Marina | 401.13 mi (645.55 km) |
| Grosseto to Sovicille | 36.32 mi (58.46 km) |
| Grosseto to Spello | 81.07 mi (130.47 km) |
