| Fort Hood to Silver Firs (Washington) | 1,725.23 mi (2,776.49 km) |
| Fort Hood to Silver Spring (Maryland) | 1,289.82 mi (2,075.77 km) |
| Fort Hood to Silver Springs Shores (Florida) | 951.82 mi (1,531.80 km) |
| Fort Hood to Silverdale (Washington) | 1,738.73 mi (2,798.21 km) |
| Fort Hood to Silverton (Oregon) | 1,652.24 mi (2,659.02 km) |
| Fort Hood to Simi Valley (California) | 1,235.72 mi (1,988.70 km) |
| Fort Hood to Simpsonville (South Carolina) | 932.88 mi (1,501.33 km) |
| Fort Hood to Sioux City (Iowa) | 788.66 mi (1,269.22 km) |
| Fort Hood to Sioux Falls (South Dakota) | 858.95 mi (1,382.35 km) |
| Fort Hood to Skokie (Illinois) | 935.37 mi (1,505.33 km) |
| Fort Hood to Sleepy Hollow (New York) | 1,494.62 mi (2,405.35 km) |
| Fort Hood to Slidell (Louisiana) | 478.74 mi (770.45 km) |
| Fort Hood to Smithfield (North Carolina) | 1,159.83 mi (1,866.57 km) |
| Fort Hood to Smithfield (Utah) | 1,072.05 mi (1,725.31 km) |
| Fort Hood to Smithville (Missouri) | 598.36 mi (962.97 km) |
