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OSN to CNX: distance & flight time

Osan (Osan Air Base) → Chiang Mai (Chiang Mai International Airport)

2,116 mi
3,406 km · 1,839 nm
4h 37m
estimated nonstop flight time
-2h
time difference · heading southwest
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Flight time details

2,116 miles nonstop takes roughly 4h 37m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is OSN from CNX?

The flight distance from Osan (OSN) to Chiang Mai (CNX) is 2,116 miles (3,406 km, 1,839 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from OSN to CNX?

A nonstop flight takes about 4h 37m 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 Osan and Chiang Mai?

Chiang Mai is 2 hours behind Osan.

What is the cheapest way to fly from OSN to CNX?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CNX that never appear on search engines, with no booking fees.
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