| Westminster to Silver Firs (Washington) | 4,765.32 mi (7,669.05 km) |
| Westminster to Silver Spring (Maryland) | 3,659.62 mi (5,889.59 km) |
| Westminster to Silver Springs Shores (Florida) | 4,336.98 mi (6,979.70 km) |
| Westminster to Silverdale (Washington) | 4,790.53 mi (7,709.61 km) |
| Westminster to Silverton (Oregon) | 4,946.00 mi (7,959.82 km) |
| Westminster to Simi Valley (California) | 5,444.69 mi (8,762.38 km) |
| Westminster to Simpsonville (South Carolina) | 4,072.30 mi (6,553.73 km) |
| Westminster to Sioux City (Iowa) | 4,242.61 mi (6,827.83 km) |
| Westminster to Sioux Falls (South Dakota) | 4,203.75 mi (6,765.28 km) |
| Westminster to Skokie (Illinois) | 3,944.54 mi (6,348.13 km) |
| Westminster to Sleepy Hollow (New York) | 3,439.26 mi (5,534.96 km) |
| Westminster to Slidell (Louisiana) | 4,597.97 mi (7,399.72 km) |
| Westminster to Smithfield (North Carolina) | 3,874.50 mi (6,235.41 km) |
| Westminster to Smithfield (Utah) | 4,800.74 mi (7,726.04 km) |
| Westminster to Smithville (Missouri) | 4,328.90 mi (6,966.68 km) |
