| Slidell to Siloam Springs (Arkansas) | 491.00 mi (790.19 km) |
| Slidell to Silver Firs (Washington) | 2,094.13 mi (3,370.17 km) |
| Slidell to Silver Spring (Maryland) | 941.05 mi (1,514.47 km) |
| Slidell to Silver Springs Shores (Florida) | 473.13 mi (761.42 km) |
| Slidell to Silverdale (Washington) | 2,111.52 mi (3,398.17 km) |
| Slidell to Silverton (Oregon) | 2,051.40 mi (3,301.40 km) |
| Slidell to Simi Valley (California) | 1,708.37 mi (2,749.36 km) |
| Slidell to Simpsonville (South Carolina) | 534.89 mi (860.83 km) |
| Slidell to Sioux City (Iowa) | 919.26 mi (1,479.40 km) |
| Slidell to Sioux Falls (South Dakota) | 991.83 mi (1,596.19 km) |
| Slidell to Skokie (Illinois) | 819.55 mi (1,318.93 km) |
| Slidell to Sleepy Hollow (New York) | 1,160.47 mi (1,867.60 km) |
| Slidell to Smithfield (North Carolina) | 754.39 mi (1,214.08 km) |
| Slidell to Smithfield (Utah) | 1,460.30 mi (2,350.12 km) |
| Slidell to Smithville (Missouri) | 684.87 mi (1,102.20 km) |
