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OOM to KOS: distance & flight time
Cooma (Cooma Snowy Mountains Airport) → Sihanoukville (Sihanoukville International Airport)
4,379 mi
7,047 km · 3,805 nm
9h 3m
estimated nonstop flight time
-3h
time difference · heading northwest
See live OOM→KOS fares Phone-only fares on this route — call free
Flight time details
4,379 miles nonstop takes roughly 9h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- OOM — Cooma Snowy Mountains Airport · Cooma, 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 OOM
- CYG · Corryong Airport61 mi away
- MIM · Merimbula Airport66 mi away
- CBR · Canberra International Airport70 mi away
- MYA · Moruya Airport71 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 OOM from KOS?
The flight distance from Cooma (OOM) to Sihanoukville (KOS) is 4,379 miles (7,047 km, 3,805 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OOM to KOS?
A nonstop flight takes about 9h 3m 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 Cooma and Sihanoukville?
Sihanoukville is 3 hours behind Cooma.
What is the cheapest way to fly from OOM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OOM–KOS that never appear on search engines, with no booking fees.