Distance From Oklahoma National Guard Heliport to Chiang Mai International Airport

The distance from Oklahoma National Guard Heliport () to Chiang Mai International Airport (CNX) is 8536 miles or 13737 kilometers or 7413 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Oklahoma City ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Oklahoma City and Chiang Mai takes around 19 hours 37 minutes.

Estimated flight time from Oklahoma National Guard Heliport, Oklahoma City, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 19 hours 37 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - CNX

Kilometers		13737 km
Statute Miles		8536 miles
Nautical Miles		7413 nm
Avg. Time of Flight		19 hours 37 minutes

Oklahoma National Guard Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

Location of Oklahoma National Guard Heliport & Chiang Mai International Airport is given below.
Click the map to view Oklahoma City to Chiang Mai nonstop flight path and travel direction.

Click to see flight route on Google Map between Oklahoma City, United States and Chiang Mai, Thailand. .

Nonstop flight route between Oklahoma City, United States and Chiang Mai, Thailand.

Time Difference Between the Airports • - CNX

Time difference between Oklahoma City (United States) and Chiang Mai (Thailand) is 13 Hours.
Chiang Mai time is 13 Hours ahead of Oklahoma City.

Location	Local Time
Oklahoma City (United States)	2026-03-21, 14:48:20 MDT
Chiang Mai (Thailand)	2026-03-22, 03:48:20 +07

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Oklahoma National Guard Heliport ( / 77OK) Oklahoma City, United States

Destination

Chiang Mai International Airport (CNX / VTCC) Chiang Mai, Thailand