| Pontedera to Silver Firs (Washington) | 5,492.58 mi (8,839.45 km) |
| Pontedera to Silver Spring (Maryland) | 4,337.13 mi (6,979.93 km) |
| Pontedera to Silver Springs Shores (Florida) | 4,984.33 mi (8,021.50 km) |
| Pontedera to Silverdale (Washington) | 5,517.37 mi (8,879.35 km) |
| Pontedera to Silverton (Oregon) | 5,675.62 mi (9,134.02 km) |
| Pontedera to Simi Valley (California) | 6,181.19 mi (9,947.67 km) |
| Pontedera to Simpsonville (South Carolina) | 4,746.30 mi (7,638.44 km) |
| Pontedera to Sioux City (Iowa) | 4,969.61 mi (7,997.82 km) |
| Pontedera to Sioux Falls (South Dakota) | 4,932.72 mi (7,938.45 km) |
| Pontedera to Skokie (Illinois) | 4,657.91 mi (7,496.18 km) |
| Pontedera to Sleepy Hollow (New York) | 4,118.08 mi (6,627.42 km) |
| Pontedera to Slidell (Louisiana) | 5,278.16 mi (8,494.38 km) |
| Pontedera to Smithfield (North Carolina) | 4,539.44 mi (7,305.52 km) |
| Pontedera to Smithfield (Utah) | 5,537.25 mi (8,911.34 km) |
| Pontedera to Smithville (Missouri) | 5,047.44 mi (8,123.07 km) |
