Need help booking?
Unpublished phone-only deals available
MGB to KOS: distance & flight time
Mount Gambier (Mount Gambier Airport) → Sihanoukville (Sihanoukville International Airport)
4,113 mi
6,619 km · 3,574 nm
8h 32m
estimated nonstop flight time
-2.5h
time difference · heading northwest
See live MGB→KOS fares Phone-only fares on this route — call free
Flight time details
4,113 miles nonstop takes roughly 8h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- MGB — Mount Gambier Airport · Mount Gambier, 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 MGB
- NAC · Naracoorte Airport53 mi away
- PTJ · Portland Airport54 mi away
- HLT · Hamilton Airport70 mi away
- WMB · Warrnambool Airport98 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 MGB from KOS?
The flight distance from Mount Gambier (MGB) to Sihanoukville (KOS) is 4,113 miles (6,619 km, 3,574 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MGB to KOS?
A nonstop flight takes about 8h 32m 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 Mount Gambier and Sihanoukville?
Sihanoukville is 2.5 hours behind Mount Gambier.
What is the cheapest way to fly from MGB to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGB–KOS that never appear on search engines, with no booking fees.