| Seaford to Joliet (Illinois) | 4,016.71 mi (6,464.27 km) |
| Seaford to Jonesboro (Arkansas) | 4,386.64 mi (7,059.61 km) |
| Seaford to Joplin (Missouri) | 4,474.06 mi (7,200.30 km) |
| Seaford to Joppatowne (Maryland) | 3,639.58 mi (5,857.34 km) |
| Seaford to Juana Díaz (Puerto Rico) | 4,241.77 mi (6,826.47 km) |
| Seaford to Junction City (Kansas) | 4,466.14 mi (7,187.56 km) |
| Seaford to Juneau (Alaska) | 4,462.41 mi (7,181.56 km) |
| Seaford to Jupiter (Florida) | 4,385.82 mi (7,058.29 km) |
| Seaford to Jupiter Farms (Florida) | 4,390.26 mi (7,065.44 km) |
| Seaford to Jurupa Valley (California) | 5,459.62 mi (8,786.41 km) |
| Seaford to Justice (Illinois) | 3,993.94 mi (6,427.63 km) |
| Seaford to Kahului (Hawaii) | 7,285.07 mi (11,724.18 km) |
| Seaford to Kailua (Hawaii) | 7,271.24 mi (11,701.93 km) |
| Seaford to Kalamazoo (Michigan) | 3,883.23 mi (6,249.46 km) |
| Seaford to Kalispell (Montana) | 4,574.94 mi (7,362.65 km) |
