| Piacenza to Silver Firs (Washington) | 5,386.57 mi (8,668.85 km) |
| Piacenza to Silver Spring (Maryland) | 4,250.77 mi (6,840.96 km) |
| Piacenza to Silver Springs Shores (Florida) | 4,904.42 mi (7,892.90 km) |
| Piacenza to Silverdale (Washington) | 5,411.34 mi (8,708.71 km) |
| Piacenza to Silverton (Oregon) | 5,569.81 mi (8,963.75 km) |
| Piacenza to Simi Valley (California) | 6,078.15 mi (9,781.84 km) |
| Piacenza to Simpsonville (South Carolina) | 4,660.91 mi (7,501.01 km) |
| Piacenza to Sioux City (Iowa) | 4,871.43 mi (7,839.81 km) |
| Piacenza to Sioux Falls (South Dakota) | 4,833.85 mi (7,779.33 km) |
| Piacenza to Skokie (Illinois) | 4,563.59 mi (7,344.39 km) |
| Piacenza to Sleepy Hollow (New York) | 4,031.32 mi (6,487.79 km) |
| Piacenza to Slidell (Louisiana) | 5,191.75 mi (8,355.31 km) |
| Piacenza to Smithfield (North Carolina) | 4,455.76 mi (7,170.85 km) |
| Piacenza to Smithfield (Utah) | 5,434.20 mi (8,745.50 km) |
| Piacenza to Smithville (Missouri) | 4,951.83 mi (7,969.20 km) |
