| Most to Silver Firs (Washington) | 5,150.99 mi (8,289.72 km) |
| Most to Silver Spring (Maryland) | 4,236.52 mi (6,818.02 km) |
| Most to Silver Springs Shores (Florida) | 4,925.95 mi (7,927.54 km) |
| Most to Silverdale (Washington) | 5,174.44 mi (8,327.45 km) |
| Most to Silverton (Oregon) | 5,340.68 mi (8,595.00 km) |
| Most to Simi Valley (California) | 5,900.83 mi (9,496.47 km) |
| Most to Simpsonville (South Carolina) | 4,649.87 mi (7,483.24 km) |
| Most to Sioux City (Iowa) | 4,757.62 mi (7,656.65 km) |
| Most to Sioux Falls (South Dakota) | 4,713.34 mi (7,585.39 km) |
| Most to Skokie (Illinois) | 4,487.14 mi (7,221.36 km) |
| Most to Sleepy Hollow (New York) | 4,016.18 mi (6,463.42 km) |
| Most to Slidell (Louisiana) | 5,170.06 mi (8,320.41 km) |
| Most to Smithfield (North Carolina) | 4,457.41 mi (7,173.51 km) |
| Most to Smithfield (Utah) | 5,259.98 mi (8,465.11 km) |
| Most to Smithville (Missouri) | 4,861.48 mi (7,823.79 km) |
