| Seaham to Silver Firs (Washington) | 4,553.08 mi (7,327.47 km) |
| Seaham to Silver Spring (Maryland) | 3,544.65 mi (5,704.56 km) |
| Seaham to Silver Springs Shores (Florida) | 4,239.67 mi (6,823.09 km) |
| Seaham to Silverdale (Washington) | 4,577.91 mi (7,367.43 km) |
| Seaham to Silverton (Oregon) | 4,736.15 mi (7,622.10 km) |
| Seaham to Simi Valley (California) | 5,253.90 mi (8,455.34 km) |
| Seaham to Simpsonville (South Carolina) | 3,957.99 mi (6,369.77 km) |
| Seaham to Sioux City (Iowa) | 4,077.11 mi (6,561.47 km) |
| Seaham to Sioux Falls (South Dakota) | 4,035.21 mi (6,494.04 km) |
| Seaham to Skokie (Illinois) | 3,796.71 mi (6,110.22 km) |
| Seaham to Sleepy Hollow (New York) | 3,324.43 mi (5,350.15 km) |
| Seaham to Slidell (Louisiana) | 4,476.94 mi (7,204.94 km) |
| Seaham to Smithfield (North Carolina) | 3,767.67 mi (6,063.48 km) |
| Seaham to Smithfield (Utah) | 4,610.32 mi (7,419.59 km) |
| Seaham to Smithville (Missouri) | 4,174.24 mi (6,717.79 km) |
