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GLT to OSN: distance & flight time
Gladstone (Gladstone Airport) → Osan (Osan Air Base)
4,497 mi
7,237 km · 3,907 nm
9h 17m
estimated nonstop flight time
-1h
time difference · heading north
See live GLT→OSN fares Phone-only fares on this route — call free
Flight time details
4,497 miles nonstop takes roughly 9h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GLT — Gladstone Airport · Gladstone, Australia
- 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 GLT
- GKL · Great Keppel Is Airport51 mi away
- ROK · Rockhampton Airport58 mi away
- THG · Thangool Airport59 mi away
- BDB · Bundaberg Airport99 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 GLT from OSN?
The flight distance from Gladstone (GLT) to Osan (OSN) is 4,497 miles (7,237 km, 3,907 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GLT to OSN?
A nonstop flight takes about 9h 17m 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 Gladstone and Osan?
Osan is 1 hour behind Gladstone.
What is the cheapest way to fly from GLT to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GLT–OSN that never appear on search engines, with no booking fees.