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TNX to KLS: distance & flight time
Stung Treng (Stung Treng Airport) → Kelso (Southwest Washington Regional Airport)
7,318 mi
11,778 km · 6,359 nm
14h 49m
estimated nonstop flight time
-14h
time difference · heading northeast
See live TNX→KLS fares Phone-only fares on this route — call free
Flight time details
7,318 miles nonstop takes roughly 14h 49m 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
- TNX — Stung Treng Airport · Stung Treng, 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 TNX
- RBE · Ratanakiri Airport67 mi away
- KTI · Kratie Airport72 mi away
- AOU · Attopeu Airport104 mi away
- PKZ · Pakse International Airport112 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 TNX from KLS?
The flight distance from Stung Treng (TNX) to Kelso (KLS) is 7,318 miles (11,778 km, 6,359 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TNX to KLS?
A nonstop flight takes about 14h 49m 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 Stung Treng and Kelso?
Kelso is 14 hours behind Stung Treng.
What is the cheapest way to fly from TNX to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TNX–KLS that never appear on search engines, with no booking fees.