| Ii to Silver Firs (Washington) | 4,426.06 mi (7,123.05 km) |
| Ii to Silver Spring (Maryland) | 4,135.51 mi (6,655.45 km) |
| Ii to Silver Springs Shores (Florida) | 4,874.26 mi (7,844.37 km) |
| Ii to Silverdale (Washington) | 4,445.38 mi (7,154.15 km) |
| Ii to Silverton (Oregon) | 4,625.05 mi (7,443.29 km) |
| Ii to Simi Valley (California) | 5,291.69 mi (8,516.15 km) |
| Ii to Simpsonville (South Carolina) | 4,529.95 mi (7,290.25 km) |
| Ii to Sioux City (Iowa) | 4,362.91 mi (7,021.42 km) |
| Ii to Sioux Falls (South Dakota) | 4,303.65 mi (6,926.05 km) |
| Ii to Skokie (Illinois) | 4,206.28 mi (6,769.35 km) |
| Ii to Sleepy Hollow (New York) | 3,928.70 mi (6,322.63 km) |
| Ii to Slidell (Louisiana) | 4,991.45 mi (8,032.96 km) |
| Ii to Smithfield (North Carolina) | 4,383.06 mi (7,053.85 km) |
| Ii to Smithfield (Utah) | 4,684.90 mi (7,539.61 km) |
| Ii to Smithville (Missouri) | 4,521.98 mi (7,277.42 km) |
