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OSN to KKC: distance & flight time
Osan (Osan Air Base) → Khon Kaen (Khon Kaen Airport)
2,054 mi
3,305 km · 1,785 nm
4h 30m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→KKC fares Phone-only fares on this route — call free
Flight time details
2,054 miles nonstop takes roughly 4h 30m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- KKC — Khon Kaen Airport · Khon Kaen, Thailand
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 KKC
- UTH · Udon Thani Airport64 mi away
- ROI · Roi Et Airport70 mi away
- BFV · Buri Ram Airport91 mi away
- LOE · Loei Airport97 mi away
Frequently asked questions
How far is OSN from KKC?
The flight distance from Osan (OSN) to Khon Kaen (KKC) is 2,054 miles (3,305 km, 1,785 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to KKC?
A nonstop flight takes about 4h 30m 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 Khon Kaen?
Khon Kaen is 2 hours behind Osan.
What is the cheapest way to fly from OSN to KKC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–KKC that never appear on search engines, with no booking fees.