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OSN to DMK: distance & flight time
Osan (Osan Air Base) → Bangkok (Don Mueang International Airport)
2,282 mi
3,673 km · 1,983 nm
4h 56m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→DMK fares Phone-only fares on this route — call free
Flight time details
2,282 miles nonstop takes roughly 4h 56m 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
- DMK — Don Mueang International Airport · Bangkok, 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
Frequently asked questions
How far is OSN from DMK?
The flight distance from Osan (OSN) to Bangkok (DMK) is 2,282 miles (3,673 km, 1,983 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to DMK?
A nonstop flight takes about 4h 56m 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 Bangkok?
Bangkok is 2 hours behind Osan.
What is the cheapest way to fly from OSN to DMK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DMK that never appear on search engines, with no booking fees.