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KOS to PTJ: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Portland (Portland Airport)
4,167 mi
6,706 km · 3,621 nm
8h 38m
estimated nonstop flight time
+3h
time difference · heading southeast
See live KOS→PTJ fares Phone-only fares on this route — call free
Flight time details
4,167 miles nonstop takes roughly 8h 38m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- PTJ — Portland Airport · Portland, 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 PTJ
- WMB · Warrnambool Airport53 mi away
- MGB · Mount Gambier Airport54 mi away
- HLT · Hamilton Airport56 mi away
- NAC · Naracoorte Airport101 mi away
Frequently asked questions
How far is KOS from PTJ?
The flight distance from Sihanoukville (KOS) to Portland (PTJ) is 4,167 miles (6,706 km, 3,621 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to PTJ?
A nonstop flight takes about 8h 38m 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 Sihanoukville and Portland?
Portland is 3 hours ahead of Sihanoukville.
What is the cheapest way to fly from KOS to PTJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–PTJ that never appear on search engines, with no booking fees.