| Sasso Marconi to Silver Firs (Washington) | 5,463.70 mi (8,792.97 km) |
| Sasso Marconi to Silver Spring (Maryland) | 4,339.08 mi (6,983.07 km) |
| Sasso Marconi to Silver Springs Shores (Florida) | 4,992.03 mi (8,033.89 km) |
| Sasso Marconi to Silverdale (Washington) | 5,488.31 mi (8,832.58 km) |
| Sasso Marconi to Silverton (Oregon) | 5,647.79 mi (9,089.25 km) |
| Sasso Marconi to Simi Valley (California) | 6,161.37 mi (9,915.77 km) |
| Sasso Marconi to Simpsonville (South Carolina) | 4,749.16 mi (7,643.04 km) |
| Sasso Marconi to Sioux City (Iowa) | 4,958.09 mi (7,979.27 km) |
| Sasso Marconi to Sioux Falls (South Dakota) | 4,920.21 mi (7,918.31 km) |
| Sasso Marconi to Skokie (Illinois) | 4,651.42 mi (7,485.73 km) |
| Sasso Marconi to Sleepy Hollow (New York) | 4,119.64 mi (6,629.92 km) |
| Sasso Marconi to Slidell (Louisiana) | 5,280.06 mi (8,497.43 km) |
| Sasso Marconi to Smithfield (North Carolina) | 4,543.86 mi (7,312.64 km) |
| Sasso Marconi to Smithfield (Utah) | 5,517.44 mi (8,879.46 km) |
| Sasso Marconi to Smithville (Missouri) | 5,039.35 mi (8,110.05 km) |
