| Sankt Gallen to Silver Firs (Washington) | 5,237.82 mi (8,429.45 km) |
| Sankt Gallen to Silver Spring (Maryland) | 4,161.40 mi (6,697.12 km) |
| Sankt Gallen to Silver Springs Shores (Florida) | 4,828.29 mi (7,770.38 km) |
| Sankt Gallen to Silverdale (Washington) | 5,262.33 mi (8,468.90 km) |
| Sankt Gallen to Silverton (Oregon) | 5,422.52 mi (8,726.70 km) |
| Sankt Gallen to Simi Valley (California) | 5,943.22 mi (9,564.68 km) |
| Sankt Gallen to Simpsonville (South Carolina) | 4,573.24 mi (7,359.91 km) |
| Sankt Gallen to Sioux City (Iowa) | 4,752.22 mi (7,647.95 km) |
| Sankt Gallen to Sioux Falls (South Dakota) | 4,712.71 mi (7,584.37 km) |
| Sankt Gallen to Skokie (Illinois) | 4,454.92 mi (7,169.50 km) |
| Sankt Gallen to Sleepy Hollow (New York) | 3,941.29 mi (6,342.89 km) |
| Sankt Gallen to Slidell (Louisiana) | 5,101.26 mi (8,209.69 km) |
| Sankt Gallen to Smithfield (North Carolina) | 4,372.07 mi (7,036.17 km) |
| Sankt Gallen to Smithfield (Utah) | 5,299.47 mi (8,528.67 km) |
| Sankt Gallen to Smithville (Missouri) | 4,839.50 mi (7,788.43 km) |
