| Covington to Silver Firs (Washington) | 1,961.67 mi (3,157.01 km) |
| Covington to Silver Spring (Maryland) | 402.29 mi (647.42 km) |
| Covington to Silver Springs Shores (Florida) | 700.17 mi (1,126.81 km) |
| Covington to Silverdale (Washington) | 1,985.51 mi (3,195.37 km) |
| Covington to Silverton (Oregon) | 1,987.63 mi (3,198.78 km) |
| Covington to Simi Valley (California) | 1,914.42 mi (3,080.97 km) |
| Covington to Simpsonville (South Carolina) | 322.55 mi (519.09 km) |
| Covington to Sioux City (Iowa) | 665.09 mi (1,070.36 km) |
| Covington to Sioux Falls (South Dakota) | 705.50 mi (1,135.40 km) |
| Covington to Skokie (Illinois) | 267.71 mi (430.83 km) |
| Covington to Sleepy Hollow (New York) | 580.17 mi (933.70 km) |
| Covington to Slidell (Louisiana) | 673.93 mi (1,084.59 km) |
| Covington to Smithfield (North Carolina) | 417.12 mi (671.28 km) |
| Covington to Smithfield (Utah) | 1,443.04 mi (2,322.34 km) |
| Covington to Smithville (Missouri) | 538.74 mi (867.02 km) |
