| West Carson to Siloam Springs (Arkansas) | 1,351.24 mi (2,174.61 km) |
| West Carson to Silver Firs (Washington) | 990.50 mi (1,594.05 km) |
| West Carson to Silver Spring (Maryland) | 2,302.75 mi (3,705.92 km) |
| West Carson to Silver Springs Shores (Florida) | 2,151.40 mi (3,462.35 km) |
| West Carson to Silverdale (Washington) | 983.27 mi (1,582.42 km) |
| West Carson to Silverton (Oregon) | 808.41 mi (1,301.02 km) |
| West Carson to Simi Valley (California) | 40.25 mi (64.77 km) |
| West Carson to Simpsonville (South Carolina) | 2,047.33 mi (3,294.86 km) |
| West Carson to Sioux City (Iowa) | 1,326.91 mi (2,135.46 km) |
| West Carson to Sioux Falls (South Dakota) | 1,336.97 mi (2,151.64 km) |
| West Carson to Skokie (Illinois) | 1,748.13 mi (2,813.35 km) |
| West Carson to Sleepy Hollow (New York) | 2,460.18 mi (3,959.28 km) |
| West Carson to Slidell (Louisiana) | 1,681.83 mi (2,706.65 km) |
| West Carson to Smithfield (North Carolina) | 2,257.33 mi (3,632.83 km) |
| West Carson to Smithfield (Utah) | 656.02 mi (1,055.77 km) |
