| Pianoro to Silver Firs (Washington) | 5,466.74 mi (8,797.87 km) |
| Pianoro to Silver Spring (Maryland) | 4,343.23 mi (6,989.75 km) |
| Pianoro to Silver Springs Shores (Florida) | 4,996.26 mi (8,040.70 km) |
| Pianoro to Silverdale (Washington) | 5,491.34 mi (8,837.46 km) |
| Pianoro to Silverton (Oregon) | 5,650.90 mi (9,094.24 km) |
| Pianoro to Simi Valley (California) | 6,164.86 mi (9,921.39 km) |
| Pianoro to Simpsonville (South Carolina) | 4,753.33 mi (7,649.74 km) |
| Pianoro to Sioux City (Iowa) | 4,961.91 mi (7,985.42 km) |
| Pianoro to Sioux Falls (South Dakota) | 4,923.99 mi (7,924.40 km) |
| Pianoro to Skokie (Illinois) | 4,655.38 mi (7,492.12 km) |
| Pianoro to Sleepy Hollow (New York) | 4,123.79 mi (6,636.60 km) |
| Pianoro to Slidell (Louisiana) | 5,284.21 mi (8,504.11 km) |
| Pianoro to Smithfield (North Carolina) | 4,548.05 mi (7,319.38 km) |
| Pianoro to Smithfield (Utah) | 5,520.94 mi (8,885.09 km) |
| Pianoro to Smithville (Missouri) | 5,043.27 mi (8,116.36 km) |
