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KOS to RSU: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Yeosu (Yeosu Airport)
2,255 mi
3,630 km · 1,960 nm
4h 53m
estimated nonstop flight time
+2h
time difference · heading northeast
See live KOS→RSU fares Phone-only fares on this route — call free
Flight time details
2,255 miles nonstop takes roughly 4h 53m 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
- RSU — Yeosu Airport · Yeosu, 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 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 RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Frequently asked questions
How far is KOS from RSU?
The flight distance from Sihanoukville (KOS) to Yeosu (RSU) is 2,255 miles (3,630 km, 1,960 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to RSU?
A nonstop flight takes about 4h 53m 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 Yeosu?
Yeosu is 2 hours ahead of Sihanoukville.
What is the cheapest way to fly from KOS to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–RSU that never appear on search engines, with no booking fees.