| Seaford to Kinston (North Carolina) | 3,877.87 mi (6,240.82 km) |
| Seaford to Kirkland (Washington) | 4,822.23 mi (7,760.63 km) |
| Seaford to Kirksville (Missouri) | 4,248.06 mi (6,836.60 km) |
| Seaford to Kirkwood (Missouri) | 4,242.96 mi (6,828.38 km) |
| Seaford to Kiryas Joel (New York) | 3,466.90 mi (5,579.43 km) |
| Seaford to Kissimmee (Florida) | 4,373.14 mi (7,037.88 km) |
| Seaford to Klamath Falls (Oregon) | 5,122.99 mi (8,244.66 km) |
| Seaford to Knightdale (North Carolina) | 3,891.84 mi (6,263.32 km) |
| Seaford to Knik-Fairview (Alaska) | 4,501.40 mi (7,244.31 km) |
| Seaford to Knoxville (Tennessee) | 4,108.78 mi (6,612.45 km) |
| Seaford to Kokomo (Indiana) | 3,986.66 mi (6,415.91 km) |
| Seaford to Kuna (Idaho) | 4,893.74 mi (7,875.72 km) |
| Seaford to Kyle (Texas) | 4,965.89 mi (7,991.83 km) |
| Seaford to La Cañada Flintridge (California) | 5,471.51 mi (8,805.55 km) |
| Seaford to La Crescenta-Montrose (California) | 5,471.37 mi (8,805.32 km) |
