| Hagerstown to Silver Firs (Washington) | 2,255.56 mi (3,629.98 km) |
| Hagerstown to Silver Spring (Maryland) | 57.82 mi (93.05 km) |
| Hagerstown to Silver Springs Shores (Florida) | 767.21 mi (1,234.70 km) |
| Hagerstown to Silverdale (Washington) | 2,280.89 mi (3,670.74 km) |
| Hagerstown to Silverton (Oregon) | 2,301.24 mi (3,703.48 km) |
| Hagerstown to Simi Valley (California) | 2,275.49 mi (3,662.04 km) |
| Hagerstown to Simpsonville (South Carolina) | 421.14 mi (677.77 km) |
| Hagerstown to Sioux City (Iowa) | 990.13 mi (1,593.46 km) |
| Hagerstown to Sioux Falls (South Dakota) | 1,016.07 mi (1,635.20 km) |
| Hagerstown to Skokie (Illinois) | 548.84 mi (883.27 km) |
| Hagerstown to Sleepy Hollow (New York) | 226.14 mi (363.94 km) |
| Hagerstown to Slidell (Louisiana) | 938.48 mi (1,510.33 km) |
| Hagerstown to Smithfield (North Carolina) | 287.20 mi (462.20 km) |
| Hagerstown to Smithfield (Utah) | 1,780.15 mi (2,864.88 km) |
| Hagerstown to Smithville (Missouri) | 897.14 mi (1,443.81 km) |
