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TKH to OSN: distance & flight time
Nakhon Sawan (Takhli Airport) → Osan (Osan Air Base)
2,225 mi
3,581 km · 1,934 nm
4h 50m
estimated nonstop flight time
+2h
time difference · heading northeast
See live TKH→OSN fares Phone-only fares on this route — call free
Flight time details
2,225 miles nonstop takes roughly 4h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- TKH — Takhli Airport · Nakhon Sawan, Thailand
- 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 TKH
- KDT · Kamphaeng Saen Airport85 mi away
- DMK · Don Mueang International Airport97 mi away
- PHS · Phitsanulok Airport104 mi away
- BKK · Suvarnabhumi Airport114 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 TKH from OSN?
The flight distance from Nakhon Sawan (TKH) to Osan (OSN) is 2,225 miles (3,581 km, 1,934 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKH to OSN?
A nonstop flight takes about 4h 50m 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 Nakhon Sawan and Osan?
Osan is 2 hours ahead of Nakhon Sawan.
What is the cheapest way to fly from TKH to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKH–OSN that never appear on search engines, with no booking fees.