| San Pietro in Casale to Silver Firs (Washington) | 5,449.36 mi (8,769.90 km) |
| San Pietro in Casale to Silver Spring (Maryland) | 4,335.44 mi (6,977.22 km) |
| San Pietro in Casale to Silver Springs Shores (Florida) | 4,990.47 mi (8,031.38 km) |
| San Pietro in Casale to Silverdale (Washington) | 5,473.91 mi (8,809.41 km) |
| San Pietro in Casale to Silverton (Oregon) | 5,633.79 mi (9,066.72 km) |
| San Pietro in Casale to Simi Valley (California) | 6,149.98 mi (9,897.44 km) |
| San Pietro in Casale to Simpsonville (South Carolina) | 4,745.83 mi (7,637.68 km) |
| San Pietro in Casale to Sioux City (Iowa) | 4,949.61 mi (7,965.62 km) |
| San Pietro in Casale to Sioux Falls (South Dakota) | 4,911.38 mi (7,904.10 km) |
| San Pietro in Casale to Skokie (Illinois) | 4,644.72 mi (7,474.95 km) |
| San Pietro in Casale to Sleepy Hollow (New York) | 4,115.88 mi (6,623.87 km) |
| San Pietro in Casale to Slidell (Louisiana) | 5,276.34 mi (8,491.46 km) |
| San Pietro in Casale to Smithfield (North Carolina) | 4,541.12 mi (7,308.22 km) |
| San Pietro in Casale to Smithfield (Utah) | 5,506.09 mi (8,861.20 km) |
| San Pietro in Casale to Smithville (Missouri) | 5,032.06 mi (8,098.32 km) |
