| Normal to Silver Firs (Washington) | 1,704.39 mi (2,742.96 km) |
| Normal to Silver Spring (Maryland) | 643.71 mi (1,035.96 km) |
| Normal to Silver Springs Shores (Florida) | 881.22 mi (1,418.18 km) |
| Normal to Silverdale (Washington) | 1,728.01 mi (2,780.96 km) |
| Normal to Silverton (Oregon) | 1,728.91 mi (2,782.42 km) |
| Normal to Simi Valley (California) | 1,681.03 mi (2,705.36 km) |
| Normal to Simpsonville (South Carolina) | 543.62 mi (874.87 km) |
| Normal to Sioux City (Iowa) | 406.37 mi (653.98 km) |
| Normal to Sioux Falls (South Dakota) | 448.49 mi (721.78 km) |
| Normal to Skokie (Illinois) | 123.08 mi (198.07 km) |
| Normal to Sleepy Hollow (New York) | 790.53 mi (1,272.24 km) |
| Normal to Slidell (Louisiana) | 708.44 mi (1,140.12 km) |
| Normal to Smithfield (North Carolina) | 673.90 mi (1,084.54 km) |
| Normal to Smithfield (Utah) | 1,187.62 mi (1,911.29 km) |
| Normal to Smithville (Missouri) | 305.93 mi (492.34 km) |
