| Cincinnati to Silver Firs (Washington) | 1,958.39 mi (3,151.72 km) |
| Cincinnati to Silver Spring (Maryland) | 401.52 mi (646.18 km) |
| Cincinnati to Silver Springs Shores (Florida) | 707.32 mi (1,138.33 km) |
| Cincinnati to Silverdale (Washington) | 1,982.28 mi (3,190.17 km) |
| Cincinnati to Silverton (Oregon) | 1,985.07 mi (3,194.66 km) |
| Cincinnati to Simi Valley (California) | 1,914.89 mi (3,081.72 km) |
| Cincinnati to Simpsonville (South Carolina) | 329.18 mi (529.77 km) |
| Cincinnati to Sioux City (Iowa) | 662.51 mi (1,066.20 km) |
| Cincinnati to Sioux Falls (South Dakota) | 702.29 mi (1,130.23 km) |
| Cincinnati to Skokie (Illinois) | 262.24 mi (422.04 km) |
| Cincinnati to Sleepy Hollow (New York) | 577.42 mi (929.27 km) |
| Cincinnati to Slidell (Louisiana) | 680.79 mi (1,095.63 km) |
| Cincinnati to Smithfield (North Carolina) | 420.84 mi (677.27 km) |
| Cincinnati to Smithfield (Utah) | 1,441.48 mi (2,319.84 km) |
| Cincinnati to Smithville (Missouri) | 538.60 mi (866.79 km) |
