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RCM to KOS: distance & flight time
Richmond (Richmond Airport) → Sihanoukville (Sihanoukville International Airport)
3,444 mi
5,543 km · 2,993 nm
7h 13m
estimated nonstop flight time
—
time difference · heading northwest
See live RCM→KOS fares Phone-only fares on this route — call free
Flight time details
3,444 miles nonstop takes roughly 7h 13m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RCM — Richmond Airport · Richmond, Australia
- 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 RCM
- HGD · Hughenden Airport72 mi away
- JCK · Julia Creek Airport90 mi away
- WIN · Winton Airport115 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 RCM from KOS?
The flight distance from Richmond (RCM) to Sihanoukville (KOS) is 3,444 miles (5,543 km, 2,993 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCM to KOS?
A nonstop flight takes about 7h 13m 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 cheapest way to fly from RCM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCM–KOS that never appear on search engines, with no booking fees.