| Certaldo to Silver Firs (Washington) | 5,509.64 mi (8,866.91 km) |
| Certaldo to Silver Spring (Maryland) | 4,358.82 mi (7,014.84 km) |
| Certaldo to Silver Springs Shores (Florida) | 5,006.22 mi (8,056.73 km) |
| Certaldo to Silverdale (Washington) | 5,534.39 mi (8,906.73 km) |
| Certaldo to Silverton (Oregon) | 5,692.96 mi (9,161.93 km) |
| Certaldo to Simi Valley (California) | 6,200.31 mi (9,978.44 km) |
| Certaldo to Simpsonville (South Carolina) | 4,768.04 mi (7,673.43 km) |
| Certaldo to Sioux City (Iowa) | 4,990.06 mi (8,030.73 km) |
| Certaldo to Sioux Falls (South Dakota) | 4,953.03 mi (7,971.13 km) |
| Certaldo to Skokie (Illinois) | 4,678.95 mi (7,530.04 km) |
| Certaldo to Sleepy Hollow (New York) | 4,139.75 mi (6,662.29 km) |
| Certaldo to Slidell (Louisiana) | 5,299.86 mi (8,529.30 km) |
| Certaldo to Smithfield (North Carolina) | 4,561.24 mi (7,340.61 km) |
| Certaldo to Smithfield (Utah) | 5,556.36 mi (8,942.10 km) |
| Certaldo to Smithville (Missouri) | 5,068.32 mi (8,156.67 km) |
