Distance From Landmark US Forest Service Airport to Chiang Mai International Airport

The distance from Landmark US Forest Service Airport () to Chiang Mai International Airport (CNX) is 7546 miles or 12144 kilometers or 6553 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 Landmark ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Landmark and Chiang Mai takes around 17 hours 20 minutes.

Estimated flight time from Landmark US Forest Service Airport, Landmark, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 17 hours 20 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		12144 km
Statute Miles		7546 miles
Nautical Miles		6553 nm
Avg. Time of Flight		17 hours 20 minutes

Landmark US Forest Service Airport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

Location of Landmark US Forest Service Airport & Chiang Mai International Airport is given below.
Click the map to view Landmark to Chiang Mai nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - CNX

Time difference between Landmark (United States) and Chiang Mai (Thailand) is 14 Hours.
Chiang Mai time is 14 Hours ahead of Landmark.

Location	Local Time
Landmark (United States)	2025-12-14, 03:31:05 MST
Chiang Mai (Thailand)	2025-12-14, 17:31:05 +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

Landmark US Forest Service Airport ( / 0U0) Landmark, United States

Destination

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