| Seaford to Superior (Colorado) | 4,719.69 mi (7,595.61 km) |
| Seaford to Superior (Wisconsin) | 3,926.36 mi (6,318.87 km) |
| Seaford to Surprise (Arizona) | 5,308.81 mi (8,543.70 km) |
| Seaford to Susanville (California) | 5,192.13 mi (8,355.93 km) |
| Seaford to Sussex (Wisconsin) | 3,945.47 mi (6,349.61 km) |
| Seaford to Suwanee (Georgia) | 4,204.92 mi (6,767.17 km) |
| Seaford to Swansea (Illinois) | 4,227.38 mi (6,803.31 km) |
| Seaford to Sweetwater (Florida) | 4,453.92 mi (7,167.89 km) |
| Seaford to Sweetwater (Texas) | 4,935.06 mi (7,942.22 km) |
| Seaford to Sycamore (Illinois) | 4,015.13 mi (6,461.73 km) |
| Seaford to Sylacauga (Alabama) | 4,337.26 mi (6,980.15 km) |
| Seaford to Sylvania (Ohio) | 3,835.13 mi (6,172.05 km) |
| Seaford to Syosset (New York) | 3,461.67 mi (5,571.01 km) |
| Seaford to Syracuse (New York) | 3,476.25 mi (5,594.48 km) |
| Seaford to Syracuse (Utah) | 4,890.45 mi (7,870.41 km) |
