| Seia to Silver Firs (Washington) | 5,138.35 mi (8,269.38 km) |
| Seia to Silver Spring (Maryland) | 3,585.99 mi (5,771.10 km) |
| Seia to Silver Springs Shores (Florida) | 4,167.00 mi (6,706.14 km) |
| Seia to Silverdale (Washington) | 5,165.60 mi (8,313.24 km) |
| Seia to Silverton (Oregon) | 5,298.18 mi (8,526.59 km) |
| Seia to Simi Valley (California) | 5,665.80 mi (9,118.22 km) |
| Seia to Simpsonville (South Carolina) | 3,978.85 mi (6,403.33 km) |
| Seia to Sioux City (Iowa) | 4,366.68 mi (7,027.49 km) |
| Seia to Sioux Falls (South Dakota) | 4,343.87 mi (6,990.78 km) |
| Seia to Skokie (Illinois) | 3,997.71 mi (6,433.70 km) |
| Seia to Sleepy Hollow (New York) | 3,375.38 mi (5,432.14 km) |
| Seia to Slidell (Louisiana) | 4,512.93 mi (7,262.86 km) |
| Seia to Smithfield (North Carolina) | 3,759.23 mi (6,049.90 km) |
| Seia to Smithfield (Utah) | 5,036.78 mi (8,105.92 km) |
| Seia to Smithville (Missouri) | 4,398.92 mi (7,079.38 km) |
