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PWM to REP: distance & flight time
Portland (Portland International Jetport Airport) → Siem-reap (Siem Reap International Airport)
8,477 mi
13,643 km · 7,366 nm
17h 5m
estimated nonstop flight time
+11h
time difference · heading north
See live PWM→REP fares Phone-only fares on this route — call free
Flight time details
8,477 miles nonstop takes roughly 17h 5m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- PWM — Portland International Jetport Airport · Portland, United States
- REP — Siem Reap International Airport · Siem-reap, 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 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
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is PWM from REP?
The flight distance from Portland (PWM) to Siem-reap (REP) is 8,477 miles (13,643 km, 7,366 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PWM to REP?
A nonstop flight takes about 17h 5m 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 Portland and Siem-reap?
Siem-reap is 11 hours ahead of Portland.
What is the cheapest way to fly from PWM to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PWM–REP that never appear on search engines, with no booking fees.