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GMP to HDH: distance & flight time
Seoul (Gimpo International Airport) → Dillingham (Dillingham Airfield)
4,525 mi
7,282 km · 3,932 nm
9h 20m
estimated nonstop flight time
-19h
time difference · heading east
See live GMP→HDH fares Phone-only fares on this route — call free
Flight time details
4,525 miles nonstop takes roughly 9h 20m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 19-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- HDH — Dillingham Airfield · Dillingham, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Near HDH
- HNL · Daniel K Inouye International Airport25 mi away
- HHI · Wheeler Army Airfield12 mi away
- JRF · Kalaeloa Airport20 mi away
- NGF · Kaneohe Bay MCAS (Marion E. Carl Field) Airport29 mi away
Frequently asked questions
How far is GMP from HDH?
The flight distance from Seoul (GMP) to Dillingham (HDH) is 4,525 miles (7,282 km, 3,932 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to HDH?
A nonstop flight takes about 9h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seoul and Dillingham?
Dillingham is 19 hours behind Seoul.
What is the cheapest way to fly from GMP to HDH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–HDH that never appear on search engines, with no booking fees.