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TKU to OSN: distance & flight time
Turku (Turku Airport) → Osan (Osan Air Base)
4,481 mi
7,212 km · 3,894 nm
9h 15m
estimated nonstop flight time
+6h
time difference · heading northeast
See live TKU→OSN fares Phone-only fares on this route — call free
Flight time details
4,481 miles nonstop takes roughly 9h 15m 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
- TKU — Turku Airport · Turku, Finland
- 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 TKU
- POR · Pori Airport67 mi away
- TMP · Tampere-Pirkkala Airport77 mi away
- MHQ · Mariehamn Airport85 mi away
- HYV · Hyvinkää Airfield89 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 TKU from OSN?
The flight distance from Turku (TKU) to Osan (OSN) is 4,481 miles (7,212 km, 3,894 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKU to OSN?
A nonstop flight takes about 9h 15m 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 Turku and Osan?
Osan is 6 hours ahead of Turku.
What is the cheapest way to fly from TKU to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKU–OSN that never appear on search engines, with no booking fees.