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TLL to OSN: distance & flight time
Tallinn-ulemiste International (Lennart Meri Tallinn Airport) → Osan (Osan Air Base)
4,444 mi
7,152 km · 3,862 nm
9h 11m
estimated nonstop flight time
+6h
time difference · heading northeast
See live TLL→OSN fares Phone-only fares on this route — call free
Flight time details
4,444 miles nonstop takes roughly 9h 11m 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
- TLL — Lennart Meri Tallinn Airport · Tallinn-ulemiste International, Estonia
- 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 TLL
- HEM · Helsinki Malmi Airport59 mi away
- HEL · Helsinki Vantaa Airport63 mi away
- EPU · Pärnu Airport70 mi away
- KDL · Kärdla 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 TLL from OSN?
The flight distance from Tallinn-ulemiste International (TLL) to Osan (OSN) is 4,444 miles (7,152 km, 3,862 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TLL to OSN?
A nonstop flight takes about 9h 11m 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 Tallinn-ulemiste International and Osan?
Osan is 6 hours ahead of Tallinn-ulemiste International.
What is the cheapest way to fly from TLL to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TLL–OSN that never appear on search engines, with no booking fees.