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KOS to RCM: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Richmond (Richmond Airport)
3,444 mi
5,543 km · 2,993 nm
7h 13m
estimated nonstop flight time
—
time difference · heading southeast
See live KOS→RCM fares Phone-only fares on this route — call free
Flight time details
3,444 miles nonstop takes roughly 7h 13m gate to gate, flying southeast. 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- RCM — Richmond Airport · Richmond, Australia
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 RCM
- HGD · Hughenden Airport72 mi away
- JCK · Julia Creek Airport90 mi away
- WIN · Winton Airport115 mi away
Frequently asked questions
How far is KOS from RCM?
The flight distance from Sihanoukville (KOS) to Richmond (RCM) 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 KOS to RCM?
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 KOS to RCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–RCM that never appear on search engines, with no booking fees.