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RDM to KOS: distance & flight time
Redmond-Bend (Roberts Field) → Sihanoukville (Sihanoukville International Airport)
7,726 mi
12,433 km · 6,713 nm
15h 37m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RDM→KOS fares Phone-only fares on this route — call free
Flight time details
7,726 miles nonstop takes roughly 15h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- RDM — Roberts Field · Redmond-Bend, United States
- 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 RDM
- PRZ · Prineville Airport12 mi away
- DLS · Columbia Gorge Regional the Dalles Municipal Airport94 mi away
- SLE · Salem Municipal Airport/McNary Field102 mi away
- EUG · Mahlon Sweet Field103 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 RDM from KOS?
The flight distance from Redmond-Bend (RDM) to Sihanoukville (KOS) is 7,726 miles (12,433 km, 6,713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDM to KOS?
A nonstop flight takes about 15h 37m 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 Redmond-Bend and Sihanoukville?
Sihanoukville is 14 hours ahead of Redmond-Bend.
What is the cheapest way to fly from RDM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDM–KOS that never appear on search engines, with no booking fees.