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CMH to CNX: distance & flight time
Columbus (John Glenn Columbus International Airport) → Chiang Mai (Chiang Mai International Airport)
8,375 mi
13,478 km · 7,277 nm
16h 53m
estimated nonstop flight time
+11h
time difference · heading north
See live CMH→CNX fares Phone-only fares on this route — call free
Flight time details
8,375 miles nonstop takes roughly 16h 53m 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
- CMH — John Glenn Columbus International Airport · Columbus, 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 CMH
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 CMH from CNX?
The flight distance from Columbus (CMH) to Chiang Mai (CNX) is 8,375 miles (13,478 km, 7,277 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMH to CNX?
A nonstop flight takes about 16h 53m 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 Columbus and Chiang Mai?
Chiang Mai is 11 hours ahead of Columbus.
What is the cheapest way to fly from CMH to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMH–CNX that never appear on search engines, with no booking fees.