| Southwick to Silver Firs (Washington) | 4,798.69 mi (7,722.75 km) |
| Southwick to Silver Spring (Maryland) | 3,669.99 mi (5,906.28 km) |
| Southwick to Silver Springs Shores (Florida) | 4,343.27 mi (6,989.82 km) |
| Southwick to Silverdale (Washington) | 4,824.00 mi (7,763.48 km) |
| Southwick to Silverton (Oregon) | 4,978.64 mi (8,012.34 km) |
| Southwick to Simi Valley (California) | 5,472.01 mi (8,806.34 km) |
| Southwick to Simpsonville (South Carolina) | 4,082.31 mi (6,569.84 km) |
| Southwick to Sioux City (Iowa) | 4,264.01 mi (6,862.25 km) |
| Southwick to Sioux Falls (South Dakota) | 4,225.88 mi (6,800.89 km) |
| Southwick to Skokie (Illinois) | 3,961.97 mi (6,376.17 km) |
| Southwick to Sleepy Hollow (New York) | 3,449.73 mi (5,551.81 km) |
| Southwick to Slidell (Louisiana) | 4,609.19 mi (7,417.77 km) |
| Southwick to Smithfield (North Carolina) | 3,883.03 mi (6,249.13 km) |
| Southwick to Smithfield (Utah) | 4,828.11 mi (7,770.09 km) |
| Southwick to Smithville (Missouri) | 4,347.72 mi (6,996.99 km) |
