| Ustron to Silver Firs (Washington) | 5,304.51 mi (8,536.78 km) |
| Ustron to Silver Spring (Maryland) | 4,462.83 mi (7,182.23 km) |
| Ustron to Silver Springs Shores (Florida) | 5,156.38 mi (8,298.40 km) |
| Ustron to Silverdale (Washington) | 5,327.19 mi (8,573.28 km) |
| Ustron to Silverton (Oregon) | 5,496.90 mi (8,846.40 km) |
| Ustron to Simi Valley (California) | 6,078.96 mi (9,783.14 km) |
| Ustron to Simpsonville (South Carolina) | 4,876.16 mi (7,847.42 km) |
| Ustron to Sioux City (Iowa) | 4,960.74 mi (7,983.54 km) |
| Ustron to Sioux Falls (South Dakota) | 4,914.55 mi (7,909.21 km) |
| Ustron to Skokie (Illinois) | 4,700.82 mi (7,565.23 km) |
| Ustron to Sleepy Hollow (New York) | 4,242.65 mi (6,827.88 km) |
| Ustron to Slidell (Louisiana) | 5,393.98 mi (8,680.78 km) |
| Ustron to Smithfield (North Carolina) | 4,685.78 mi (7,541.03 km) |
| Ustron to Smithfield (Utah) | 5,441.04 mi (8,756.50 km) |
| Ustron to Smithville (Missouri) | 5,070.93 mi (8,160.87 km) |
