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OSN to HDH: distance & flight time
Osan (Osan Air Base) → Dillingham (Dillingham Airfield)
4,517 mi
7,270 km · 3,925 nm
9h 19m
estimated nonstop flight time
-19h
time difference · heading east
See live OSN→HDH fares Phone-only fares on this route — call free
Flight time details
4,517 miles nonstop takes roughly 9h 19m 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
- OSN — Osan Air Base · Osan, 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 OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 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 OSN from HDH?
The flight distance from Osan (OSN) to Dillingham (HDH) is 4,517 miles (7,270 km, 3,925 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to HDH?
A nonstop flight takes about 9h 19m 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 Osan and Dillingham?
Dillingham is 19 hours behind Osan.
What is the cheapest way to fly from OSN to HDH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–HDH that never appear on search engines, with no booking fees.