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KUM to KOS: distance & flight time
Yakushima (Yakushima Airport) → Sihanoukville (Sihanoukville International Airport)
2,209 mi
3,556 km · 1,920 nm
4h 48m
estimated nonstop flight time
-2h
time difference · heading southwest
See live KUM→KOS fares Phone-only fares on this route — call free
Flight time details
2,209 miles nonstop takes roughly 4h 48m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- KUM — Yakushima Airport · Yakushima, 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 KUM
- TNE · New Tanegashima Airport25 mi away
- KOJ · Kagoshima Airport98 mi away
- KMI · Miyazaki Airport113 mi away
- ASJ · Amami Airport147 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 KUM from KOS?
The flight distance from Yakushima (KUM) to Sihanoukville (KOS) is 2,209 miles (3,556 km, 1,920 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KUM to KOS?
A nonstop flight takes about 4h 48m 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 Yakushima and Sihanoukville?
Sihanoukville is 2 hours behind Yakushima.
What is the cheapest way to fly from KUM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KUM–KOS that never appear on search engines, with no booking fees.