| Ski to Silver Firs (Washington) | 4,546.98 mi (7,317.65 km) |
| Ski to Silver Spring (Maryland) | 3,875.55 mi (6,237.10 km) |
| Ski to Silver Springs Shores (Florida) | 4,598.35 mi (7,400.33 km) |
| Ski to Silverdale (Washington) | 4,569.39 mi (7,353.73 km) |
| Ski to Silverton (Oregon) | 4,740.28 mi (7,628.74 km) |
| Ski to Simi Valley (California) | 5,337.66 mi (8,590.13 km) |
| Ski to Simpsonville (South Carolina) | 4,284.48 mi (6,895.20 km) |
| Ski to Sioux City (Iowa) | 4,267.41 mi (6,867.74 km) |
| Ski to Sioux Falls (South Dakota) | 4,216.50 mi (6,785.81 km) |
| Ski to Skokie (Illinois) | 4,043.39 mi (6,507.20 km) |
| Ski to Sleepy Hollow (New York) | 3,659.11 mi (5,888.77 km) |
| Ski to Slidell (Louisiana) | 4,781.57 mi (7,695.19 km) |
| Ski to Smithfield (North Carolina) | 4,112.74 mi (6,618.82 km) |
| Ski to Smithfield (Utah) | 4,704.43 mi (7,571.05 km) |
| Ski to Smithville (Missouri) | 4,395.81 mi (7,074.38 km) |
