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COU to CNX: distance & flight time
Columbia (Columbia Regional Airport) → Chiang Mai (Chiang Mai International Airport)
8,393 mi
13,507 km · 7,293 nm
16h 55m
estimated nonstop flight time
+12h
time difference · heading north
See live COU→CNX fares Phone-only fares on this route — call free
Flight time details
8,393 miles nonstop takes roughly 16h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- COU — Columbia Regional Airport · Columbia, United States
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
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 COU
- JEF · Jefferson City Memorial Airport16 mi away
- AIZ · Lee C Fine Memorial Airport53 mi away
- SZL · Whiteman Air Force Base72 mi away
- TBN · Waynesville-St. Robert Regional Forney field75 mi away
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
Frequently asked questions
How far is COU from CNX?
The flight distance from Columbia (COU) to Chiang Mai (CNX) is 8,393 miles (13,507 km, 7,293 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COU to CNX?
A nonstop flight takes about 16h 55m 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 Columbia and Chiang Mai?
Chiang Mai is 12 hours ahead of Columbia.
What is the cheapest way to fly from COU to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COU–CNX that never appear on search engines, with no booking fees.