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KKX to OSN: distance & flight time
Kikai (Kikai Airport) → Osan (Osan Air Base)
629 mi
1,012 km · 546 nm
1h 50m
estimated nonstop flight time
Same time
time difference · heading north
See live KKX→OSN fares Phone-only fares on this route — call free
Flight time details
629 miles nonstop takes roughly 1h 50m gate to gate, flying north. 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
- KKX — Kikai Airport · Kikai, Japan
- 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 KKX
- ASJ · Amami Airport15 mi away
- TKN · Tokunoshima Airport72 mi away
- OKE · Okierabu Airport97 mi away
- RNJ · Yoron Airport128 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 KKX from OSN?
The flight distance from Kikai (KKX) to Osan (OSN) is 629 miles (1,012 km, 546 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KKX to OSN?
A nonstop flight takes about 1h 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 cheapest way to fly from KKX to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KKX–OSN that never appear on search engines, with no booking fees.