| Cayce to Silver Firs (Washington) | 2,317.79 mi (3,730.13 km) |
| Cayce to Silver Spring (Maryland) | 414.64 mi (667.30 km) |
| Cayce to Silver Springs Shores (Florida) | 338.81 mi (545.27 km) |
| Cayce to Silverdale (Washington) | 2,340.16 mi (3,766.12 km) |
| Cayce to Silverton (Oregon) | 2,324.07 mi (3,740.23 km) |
| Cayce to Simi Valley (California) | 2,144.66 mi (3,451.49 km) |
| Cayce to Simpsonville (South Carolina) | 87.88 mi (141.42 km) |
| Cayce to Sioux City (Iowa) | 1,018.68 mi (1,639.41 km) |
| Cayce to Sioux Falls (South Dakota) | 1,071.21 mi (1,723.95 km) |
| Cayce to Skokie (Illinois) | 666.90 mi (1,073.27 km) |
| Cayce to Sleepy Hollow (New York) | 630.62 mi (1,014.89 km) |
| Cayce to Slidell (Louisiana) | 570.17 mi (917.61 km) |
| Cayce to Smithfield (North Carolina) | 187.39 mi (301.57 km) |
| Cayce to Smithfield (Utah) | 1,753.89 mi (2,822.62 km) |
| Cayce to Smithville (Missouri) | 837.81 mi (1,348.32 km) |
