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KOS to UEO: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Kumejima (Kumejima Airport)
1,858 mi
2,991 km · 1,615 nm
4h 7m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KOS→UEO fares Phone-only fares on this route — call free
Flight time details
1,858 miles nonstop takes roughly 4h 7m 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
- UEO — Kumejima Airport · Kumejima, 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 UEO
- AGJ · Aguni Airport36 mi away
- KJP · Kerama Airport38 mi away
- OKA · Naha Airport59 mi away
- DNA · Kadena Air Base65 mi away
Frequently asked questions
How far is KOS from UEO?
The flight distance from Sihanoukville (KOS) to Kumejima (UEO) is 1,858 miles (2,991 km, 1,615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to UEO?
A nonstop flight takes about 4h 7m 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 Kumejima?
Kumejima is 2 hours ahead of Sihanoukville.
What is the cheapest way to fly from KOS to UEO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–UEO that never appear on search engines, with no booking fees.