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IWK to KOS: distance & flight time
Iwakuni (Iwakuni Marine Corps Air Station) → Sihanoukville (Sihanoukville International Airport)
2,431 mi
3,912 km · 2,112 nm
5h 14m
estimated nonstop flight time
—
time difference · heading southwest
See live IWK→KOS fares Phone-only fares on this route — call free
Flight time details
2,431 miles nonstop takes roughly 5h 14m gate to gate, flying southwest. 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
- IWK — Iwakuni Marine Corps Air Station · Iwakuni, Japan
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 IWK
- HIW · Hiroshimanishi Airport18 mi away
- MYJ · Matsuyama Airport34 mi away
- HIJ · Hiroshima Airport44 mi away
- IWJ · Iwami Airport45 mi away
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is IWK from KOS?
The flight distance from Iwakuni (IWK) to Sihanoukville (KOS) is 2,431 miles (3,912 km, 2,112 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWK to KOS?
A nonstop flight takes about 5h 14m 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 IWK to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWK–KOS that never appear on search engines, with no booking fees.