| Preakness to Silver Firs (Washington) | 2,374.06 mi (3,820.67 km) |
| Preakness to Silver Spring (Maryland) | 199.50 mi (321.07 km) |
| Preakness to Silver Springs Shores (Florida) | 927.42 mi (1,492.53 km) |
| Preakness to Silverdale (Washington) | 2,400.26 mi (3,862.85 km) |
| Preakness to Silverton (Oregon) | 2,433.88 mi (3,916.95 km) |
| Preakness to Simi Valley (California) | 2,453.46 mi (3,948.46 km) |
| Preakness to Simpsonville (South Carolina) | 612.84 mi (986.26 km) |
| Preakness to Sioux City (Iowa) | 1,144.95 mi (1,842.63 km) |
| Preakness to Sioux Falls (South Dakota) | 1,161.57 mi (1,869.37 km) |
| Preakness to Skokie (Illinois) | 702.91 mi (1,131.22 km) |
| Preakness to Sleepy Hollow (New York) | 21.26 mi (34.22 km) |
| Preakness to Slidell (Louisiana) | 1,139.29 mi (1,833.51 km) |
| Preakness to Smithfield (North Carolina) | 436.48 mi (702.45 km) |
| Preakness to Smithfield (Utah) | 1,934.54 mi (3,113.34 km) |
| Preakness to Smithville (Missouri) | 1,077.36 mi (1,733.84 km) |
