Distance From Diomede Heliport to Chiang Mai International Airport

The distance from Diomede Heliport () to Chiang Mai International Airport (CNX) is 5098 miles or 8205 kilometers or 4428 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 Diomede ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Diomede and Chiang Mai takes around 11 hours 43 minutes.

Estimated flight time from Diomede Heliport, Diomede, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 11 hours 43 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		8205 km
Statute Miles		5098 miles
Nautical Miles		4428 nm
Avg. Time of Flight		11 hours 43 minutes

Diomede Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

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

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

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

Time Difference Between the Airports • - CNX

Time difference between Diomede (United States) and Chiang Mai (Thailand) is 15 Hours.
Chiang Mai time is 15 Hours ahead of Diomede.

Location	Local Time
Diomede (United States)	2026-09-23, 19:27:24 AKDT
Chiang Mai (Thailand)	2026-09-24, 10:27:24 +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

Diomede Heliport ( / PPDM) Diomede, United States

Destination

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