| Longyearbyen to Silver Firs (Washington) | 3,548.48 mi (5,710.72 km) |
| Longyearbyen to Silver Spring (Maryland) | 3,627.47 mi (5,837.84 km) |
| Longyearbyen to Silver Springs Shores (Florida) | 4,359.36 mi (7,015.72 km) |
| Longyearbyen to Silverdale (Washington) | 3,566.21 mi (5,739.27 km) |
| Longyearbyen to Silverton (Oregon) | 3,748.34 mi (6,032.38 km) |
| Longyearbyen to Simi Valley (California) | 4,445.01 mi (7,153.55 km) |
| Longyearbyen to Simpsonville (South Carolina) | 3,985.30 mi (6,413.73 km) |
| Longyearbyen to Sioux City (Iowa) | 3,646.93 mi (5,869.16 km) |
| Longyearbyen to Sioux Falls (South Dakota) | 3,581.02 mi (5,763.09 km) |
| Longyearbyen to Skokie (Illinois) | 3,568.96 mi (5,743.69 km) |
| Longyearbyen to Sleepy Hollow (New York) | 3,444.42 mi (5,543.26 km) |
| Longyearbyen to Slidell (Louisiana) | 4,384.52 mi (7,056.20 km) |
| Longyearbyen to Smithfield (North Carolina) | 3,879.18 mi (6,242.94 km) |
| Longyearbyen to Smithfield (Utah) | 3,863.50 mi (6,217.70 km) |
| Longyearbyen to Smithville (Missouri) | 3,833.11 mi (6,168.79 km) |
