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GZT to OSN: distance & flight time
Gaziantep (Gaziantep International Airport) → Osan (Osan Air Base)
4,729 mi
7,610 km · 4,109 nm
9h 44m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GZT→OSN fares Phone-only fares on this route — call free
Flight time details
4,729 miles nonstop takes roughly 9h 44m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- GZT — Gaziantep International Airport · Gaziantep, Turkey
- 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 GZT
- KCM · Kahramanmaraş Airport50 mi away
- ALP · Aleppo International Airport55 mi away
- SFQ · Şanlıurfa Airport76 mi away
- ADF · Adıyaman Airport77 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 GZT from OSN?
The flight distance from Gaziantep (GZT) to Osan (OSN) is 4,729 miles (7,610 km, 4,109 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GZT to OSN?
A nonstop flight takes about 9h 44m 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 Gaziantep and Osan?
Osan is 6 hours ahead of Gaziantep.
What is the cheapest way to fly from GZT to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GZT–OSN that never appear on search engines, with no booking fees.