| Flawil to Silver Firs (Washington) | 5,234.73 mi (8,424.49 km) |
| Flawil to Silver Spring (Maryland) | 4,154.75 mi (6,686.42 km) |
| Flawil to Silver Springs Shores (Florida) | 4,821.23 mi (7,759.03 km) |
| Flawil to Silverdale (Washington) | 5,259.27 mi (8,463.98 km) |
| Flawil to Silverton (Oregon) | 5,419.28 mi (8,721.50 km) |
| Flawil to Simi Valley (California) | 5,938.93 mi (9,557.78 km) |
| Flawil to Simpsonville (South Carolina) | 4,566.54 mi (7,349.13 km) |
| Flawil to Sioux City (Iowa) | 4,746.90 mi (7,639.39 km) |
| Flawil to Sioux Falls (South Dakota) | 4,707.50 mi (7,575.99 km) |
| Flawil to Skokie (Illinois) | 4,449.06 mi (7,160.06 km) |
| Flawil to Sleepy Hollow (New York) | 3,934.65 mi (6,332.21 km) |
| Flawil to Slidell (Louisiana) | 5,094.68 mi (8,199.09 km) |
| Flawil to Smithfield (North Carolina) | 4,365.24 mi (7,025.17 km) |
| Flawil to Smithfield (Utah) | 5,295.15 mi (8,521.72 km) |
| Flawil to Smithville (Missouri) | 4,833.83 mi (7,779.29 km) |
