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KOS to PWM: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Portland (Portland International Jetport Airport)
8,671 mi
13,954 km · 7,535 nm
17h 28m
estimated nonstop flight time
-11h
time difference · heading north
See live KOS→PWM fares Phone-only fares on this route — call free
Flight time details
8,671 miles nonstop takes roughly 17h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- PWM — Portland International Jetport Airport · Portland, United States
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 PWM
- NHZ · Brunswick Executive Airport25 mi away
- LEW · Auburn Lewiston Municipal Airport28 mi away
- FRY · Eastern Slopes Regional Airport40 mi away
- PSM · Portsmouth International at Pease Airport47 mi away
Frequently asked questions
How far is KOS from PWM?
The flight distance from Sihanoukville (KOS) to Portland (PWM) is 8,671 miles (13,954 km, 7,535 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to PWM?
A nonstop flight takes about 17h 28m 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 11 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to PWM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–PWM that never appear on search engines, with no booking fees.