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HMY to OKJ: distance & flight time
Seosan (Seosan Air Base) → Okayama (Okayama Airport)
435 mi
699 km · 378 nm
1h 25m
estimated nonstop flight time
—
time difference · heading east
See live HMY→OKJ fares Phone-only fares on this route — call free
Flight time details
435 miles nonstop takes roughly 1h 25m 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
- HMY — Seosan Air Base · Seosan, 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 HMY
- ICN · Incheon International Airport53 mi away
- OSN · Osan Air Base40 mi away
- SWU · Suwon Airport47 mi away
- KUV · Kunsan Air Base56 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 HMY from OKJ?
The flight distance from Seosan (HMY) to Okayama (OKJ) is 435 miles (699 km, 378 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HMY to OKJ?
A nonstop flight takes about 1h 25m 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 HMY to OKJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HMY–OKJ that never appear on search engines, with no booking fees.