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OSN to OKJ: distance & flight time
Osan (Osan Air Base) → Okayama (Okayama Airport)
414 mi
667 km · 360 nm
1h 22m
estimated nonstop flight time
Same time
time difference · heading east
See live OSN→OKJ fares Phone-only fares on this route — call free
Flight time details
414 miles nonstop takes roughly 1h 22m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- OKJ — Okayama Airport · Okayama, Japan
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 OKJ
- TAK · Takamatsu Airport39 mi away
- TTJ · Tottori Airport56 mi away
- HIJ · Hiroshima Airport58 mi away
- TKS · Tokushima Airport/JMSDF Air Base61 mi away
Frequently asked questions
How far is OSN from OKJ?
The flight distance from Osan (OSN) to Okayama (OKJ) is 414 miles (667 km, 360 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to OKJ?
A nonstop flight takes about 1h 22m 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 cheapest way to fly from OSN to OKJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–OKJ that never appear on search engines, with no booking fees.