Need help booking?
Unpublished phone-only deals available
PNH to KLS: distance & flight time
Phnom-penh (Phnom Penh International Airport) → Kelso (Southwest Washington Regional Airport)
7,476 mi
12,032 km · 6,497 nm
15h 8m
estimated nonstop flight time
-14h
time difference · heading northeast
See live PNH→KLS fares Phone-only fares on this route — call free
Flight time details
7,476 miles nonstop takes roughly 15h 8m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- PNH — Phnom Penh International Airport · Phnom-penh, Cambodia
- KLS — Southwest Washington Regional Airport · Kelso, 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 PNH
- KZC · Kampong Chhnang Airport52 mi away
- KTI · Kratie Airport105 mi away
- KOS · Sihanoukville International Airport106 mi away
- PQC · Phu Quoc International Airport111 mi away
Near KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Frequently asked questions
How far is PNH from KLS?
The flight distance from Phnom-penh (PNH) to Kelso (KLS) is 7,476 miles (12,032 km, 6,497 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PNH to KLS?
A nonstop flight takes about 15h 8m 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 Phnom-penh and Kelso?
Kelso is 14 hours behind Phnom-penh.
What is the cheapest way to fly from PNH to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PNH–KLS that never appear on search engines, with no booking fees.