| Severn to Silver Firs (Washington) | 2,320.44 mi (3,734.39 km) |
| Severn to Silver Spring (Maryland) | 19.70 mi (31.71 km) |
| Severn to Silver Springs Shores (Florida) | 756.02 mi (1,216.69 km) |
| Severn to Silverdale (Washington) | 2,345.75 mi (3,775.12 km) |
| Severn to Silverton (Oregon) | 2,365.59 mi (3,807.05 km) |
| Severn to Simi Valley (California) | 2,332.82 mi (3,754.31 km) |
| Severn to Simpsonville (South Carolina) | 432.32 mi (695.74 km) |
| Severn to Sioux City (Iowa) | 1,053.10 mi (1,694.80 km) |
| Severn to Sioux Falls (South Dakota) | 1,079.97 mi (1,738.04 km) |
| Severn to Skokie (Illinois) | 612.64 mi (985.96 km) |
| Severn to Sleepy Hollow (New York) | 201.38 mi (324.08 km) |
| Severn to Slidell (Louisiana) | 960.56 mi (1,545.87 km) |
| Severn to Smithfield (North Carolina) | 266.24 mi (428.48 km) |
| Severn to Smithfield (Utah) | 1,842.63 mi (2,965.43 km) |
| Severn to Smithville (Missouri) | 955.04 mi (1,536.99 km) |
