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GKL to KOS: distance & flight time
Great Keppel Island (Great Keppel Is Airport) → Sihanoukville (Sihanoukville International Airport)
3,958 mi
6,370 km · 3,439 nm
8h 14m
estimated nonstop flight time
-3h
time difference · heading northwest
See live GKL→KOS fares Phone-only fares on this route — call free
Flight time details
3,958 miles nonstop takes roughly 8h 14m 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
- GKL — Great Keppel Is Airport · Great Keppel Island, 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 GKL
- ROK · Rockhampton Airport33 mi away
- GLT · Gladstone Airport51 mi away
- THG · Thangool Airport93 mi away
- TDR · Theodore Airport136 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 GKL from KOS?
The flight distance from Great Keppel Island (GKL) to Sihanoukville (KOS) is 3,958 miles (6,370 km, 3,439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GKL to KOS?
A nonstop flight takes about 8h 14m 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 Great Keppel Island and Sihanoukville?
Sihanoukville is 3 hours behind Great Keppel Island.
What is the cheapest way to fly from GKL to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GKL–KOS that never appear on search engines, with no booking fees.