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KOS to ITM: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Osaka (Osaka International Airport)
2,607 mi
4,196 km · 2,265 nm
5h 35m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KOS→ITM fares Phone-only fares on this route — call free
Flight time details
2,607 miles nonstop takes roughly 5h 35m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- ITM — Osaka International Airport · Osaka, 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 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
Near ITM
- UKB · Kobe Airport16 mi away
- KIX · Kansai International Airport27 mi away
- TJH · Tajima Airport62 mi away
- TKS · Tokushima Airport/JMSDF Air Base65 mi away
Frequently asked questions
How far is KOS from ITM?
The flight distance from Sihanoukville (KOS) to Osaka (ITM) is 2,607 miles (4,196 km, 2,265 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to ITM?
A nonstop flight takes about 5h 35m 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 Sihanoukville and Osaka?
Osaka is 2 hours ahead of Sihanoukville.
What is the cheapest way to fly from KOS to ITM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–ITM that never appear on search engines, with no booking fees.