Distance From St Rose de Lima Dominican Hospital Heliport to Chiang Mai International Airport

The distance from St Rose de Lima Dominican Hospital Heliport () to Chiang Mai International Airport (CNX) is 8048 miles or 12952 kilometers or 6989 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 Henderson ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Henderson and Chiang Mai takes around 18 hours 30 minutes.

Estimated flight time from St Rose de Lima Dominican Hospital Heliport, Henderson, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 18 hours 30 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		12952 km
Statute Miles		8048 miles
Nautical Miles		6989 nm
Avg. Time of Flight		18 hours 30 minutes

St Rose de Lima Dominican Hospital Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

Location of St Rose de Lima Dominican Hospital Heliport & Chiang Mai International Airport is given below.
Click the map to view Henderson to Chiang Mai nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - CNX

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

Location	Local Time
Henderson (United States)	2026-06-23, 15:57:46 PDT
Chiang Mai (Thailand)	2026-06-24, 05:57:46 +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

St Rose de Lima Dominican Hospital Heliport ( / NV25) Henderson, United States

Destination

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