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RSU to KOS: distance & flight time
Yeosu (Yeosu Airport) → Sihanoukville (Sihanoukville International Airport)
2,255 mi
3,630 km · 1,960 nm
4h 53m
estimated nonstop flight time
-2h
time difference · heading southwest
See live RSU→KOS fares Phone-only fares on this route — call free
Flight time details
2,255 miles nonstop takes roughly 4h 53m 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
- RSU — Yeosu Airport · Yeosu, South Korea
- 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 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
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 RSU from KOS?
The flight distance from Yeosu (RSU) to Sihanoukville (KOS) 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 RSU to KOS?
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 Yeosu and Sihanoukville?
Sihanoukville is 2 hours behind Yeosu.
What is the cheapest way to fly from RSU to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RSU–KOS that never appear on search engines, with no booking fees.