Distance From Port Huron Hospital Heliport to Chiang Mai International Airport

The distance from Port Huron Hospital Heliport () to Chiang Mai International Airport (CNX) is 8169 miles or 13147 kilometers or 7094 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 Port Huron ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Port Huron and Chiang Mai takes around 18 hours 46 minutes.

Estimated flight time from Port Huron Hospital Heliport, Port Huron, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 18 hours 46 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		13147 km
Statute Miles		8169 miles
Nautical Miles		7094 nm
Avg. Time of Flight		18 hours 46 minutes

Port Huron Hospital Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

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

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

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

Time Difference Between the Airports • - CNX

Time difference between Port Huron (United States) and Chiang Mai (Thailand) is 11 Hours.
Chiang Mai time is 11 Hours ahead of Port Huron.

Location	Local Time
Port Huron (United States)	2026-03-22, 00:50:47 EDT
Chiang Mai (Thailand)	2026-03-22, 11:50:47 +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

Port Huron Hospital Heliport ( / 73MI) Port Huron, United States

Destination

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