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OSN to ESB: distance & flight time
Osan (Osan Air Base) → Ankara (Esenboğa International Airport)
4,821 mi
7,758 km · 4,189 nm
9h 55m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OSN→ESB fares Phone-only fares on this route — call free
Flight time details
4,821 miles nonstop takes roughly 9h 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- ESB — Esenboğa International Airport · Ankara, Turkey
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 ESB
- ANK · Etimesgut Air Base20 mi away
- KFS · Kastamonu Airport92 mi away
- ONQ · Zonguldak Airport106 mi away
- NAV · Nevşehir Kapadokya Airport125 mi away
Frequently asked questions
How far is OSN from ESB?
The flight distance from Osan (OSN) to Ankara (ESB) is 4,821 miles (7,758 km, 4,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to ESB?
A nonstop flight takes about 9h 55m 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 Ankara?
Ankara is 6 hours behind Osan.
What is the cheapest way to fly from OSN to ESB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–ESB that never appear on search engines, with no booking fees.