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DUC to CNX: distance & flight time
Duncan (Halliburton Field) → Chiang Mai (Chiang Mai International Airport)
8,594 mi
13,831 km · 7,468 nm
17h 19m
estimated nonstop flight time
+12h
time difference · heading north
See live DUC→CNX fares Phone-only fares on this route — call free
Flight time details
8,594 miles nonstop takes roughly 17h 19m 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
- DUC — Halliburton Field · Duncan, 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 DUC
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 DUC from CNX?
The flight distance from Duncan (DUC) to Chiang Mai (CNX) is 8,594 miles (13,831 km, 7,468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to CNX?
A nonstop flight takes about 17h 19m 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 Duncan and Chiang Mai?
Chiang Mai is 12 hours ahead of Duncan.
What is the cheapest way to fly from DUC to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–CNX that never appear on search engines, with no booking fees.