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HNL to OSN: distance & flight time
Honolulu (Daniel K Inouye International Airport) → Osan (Osan Air Base)
4,542 mi
7,309 km · 3,947 nm
9h 22m
estimated nonstop flight time
+19h
time difference · heading northwest
See live HNL→OSN fares Phone-only fares on this route — call free
Flight time details
4,542 miles nonstop takes roughly 9h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 19-hour time gain when reading arrival times on your ticket.
The two airports
- HNL — Daniel K Inouye International Airport · Honolulu, United States
- OSN — Osan Air Base · Osan, South Korea
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 HNL
- JRF · Kalaeloa Airport9 mi away
- HHI · Wheeler Army Airfield13 mi away
- NGF · Kaneohe Bay MCAS (Marion E. Carl Field) Airport13 mi away
- HDH · Dillingham Airfield25 mi away
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
Frequently asked questions
How far is HNL from OSN?
The flight distance from Honolulu (HNL) to Osan (OSN) is 4,542 miles (7,309 km, 3,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HNL to OSN?
A nonstop flight takes about 9h 22m 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 Honolulu and Osan?
Osan is 19 hours ahead of Honolulu.
What is the cheapest way to fly from HNL to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HNL–OSN that never appear on search engines, with no booking fees.