| Grosseto to Silver Firs (Washington) | 5,557.96 mi (8,944.68 km) |
| Grosseto to Silver Spring (Maryland) | 4,388.07 mi (7,061.91 km) |
| Grosseto to Silver Springs Shores (Florida) | 5,030.82 mi (8,096.33 km) |
| Grosseto to Silverdale (Washington) | 5,582.80 mi (8,984.64 km) |
| Grosseto to Silverton (Oregon) | 5,740.77 mi (9,238.88 km) |
| Grosseto to Simi Valley (California) | 6,243.90 mi (10,048.59 km) |
| Grosseto to Simpsonville (South Carolina) | 4,796.52 mi (7,719.26 km) |
| Grosseto to Sioux City (Iowa) | 5,028.70 mi (8,092.91 km) |
| Grosseto to Sioux Falls (South Dakota) | 4,992.31 mi (8,034.35 km) |
| Grosseto to Skokie (Illinois) | 4,714.27 mi (7,586.88 km) |
| Grosseto to Sleepy Hollow (New York) | 4,169.34 mi (6,709.90 km) |
| Grosseto to Slidell (Louisiana) | 5,328.99 mi (8,576.18 km) |
| Grosseto to Smithfield (North Carolina) | 4,588.54 mi (7,384.55 km) |
| Grosseto to Smithfield (Utah) | 5,599.99 mi (9,012.31 km) |
| Grosseto to Smithville (Missouri) | 5,104.68 mi (8,215.19 km) |
