| Seaford to Kenosha (Wisconsin) | 3,957.27 mi (6,368.61 km) |
| Seaford to Kent (Ohio) | 3,766.95 mi (6,062.32 km) |
| Seaford to Kent (Washington) | 4,839.94 mi (7,789.12 km) |
| Seaford to Kentwood (Michigan) | 3,856.03 mi (6,205.68 km) |
| Seaford to Kerman (California) | 5,386.90 mi (8,669.38 km) |
| Seaford to Kernersville (North Carolina) | 3,943.32 mi (6,346.16 km) |
| Seaford to Kerrville (Texas) | 5,012.45 mi (8,066.76 km) |
| Seaford to Kettering (Maryland) | 3,680.94 mi (5,923.90 km) |
| Seaford to Kettering (Ohio) | 3,943.64 mi (6,346.67 km) |
| Seaford to Kewanee (Illinois) | 4,097.82 mi (6,594.80 km) |
| Seaford to Key Biscayne (Florida) | 4,449.23 mi (7,160.35 km) |
| Seaford to Key Largo (Florida) | 4,488.29 mi (7,223.20 km) |
| Seaford to Key West (Florida) | 4,575.10 mi (7,362.91 km) |
| Seaford to Keystone (Florida) | 4,432.00 mi (7,132.62 km) |
| Seaford to Kihei (Hawaii) | 7,291.90 mi (11,735.18 km) |
