Distance From Big Mountain Airport to Chiang Mai International Airport, BMX - CNX Distance

The distance from Big Mountain Airport (BMX) to Chiang Mai International Airport (CNX) is 5640 miles or 9077 kilometers or 4898 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 Big Mountain ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Big Mountain and Chiang Mai takes around 12 hours 58 minutes.

Estimated flight time from Big Mountain Airport, Big Mountain, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 12 hours 58 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 • BMX - CNX

Kilometers		9077 km
Statute Miles		5640 miles
Nautical Miles		4898 nm
Avg. Time of Flight		12 hours 58 minutes

Big Mountain Airport to Chiang Mai International Airport Flight Route Map - BMX to CNX Flight Path

Location of Big Mountain Airport & Chiang Mai International Airport is given below.
Click the map to view Big Mountain to Chiang Mai nonstop flight path and travel direction.

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

Nonstop flight route between Big Mountain, United States and Chiang Mai, Thailand.

Time Difference Between the Airports • BMX - CNX

Time difference between Big Mountain (United States) and Chiang Mai (Thailand) is 16 Hours.
Chiang Mai time is 16 Hours ahead of Big Mountain.

Location	Local Time
Big Mountain (United States)	2025-12-04, 22:28:05 AKST
Chiang Mai (Thailand)	2025-12-05, 14:28:05 +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

Big Mountain Airport (BMX / PABM) Big Mountain, United States

Destination

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