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CNX to KLS: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Kelso (Southwest Washington Regional Airport)
7,247 mi
11,663 km · 6,298 nm
14h 41m
estimated nonstop flight time
-14h
time difference · heading northeast
See live CNX→KLS fares Phone-only fares on this route — call free
Flight time details
7,247 miles nonstop takes roughly 14h 41m 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
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 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 CNX from KLS?
The flight distance from Chiang Mai (CNX) to Kelso (KLS) is 7,247 miles (11,663 km, 6,298 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to KLS?
A nonstop flight takes about 14h 41m 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 Chiang Mai and Kelso?
Kelso is 14 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–KLS that never appear on search engines, with no booking fees.