Distance From Gregory May Heliport to Chiang Mai International Airport

The distance from Gregory May Heliport () to Chiang Mai International Airport (CNX) is 8396 miles or 13512 kilometers or 7291 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 Havre De Grace ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Havre De Grace and Chiang Mai takes around 19 hours 18 minutes.

Estimated flight time from Gregory May Heliport, Havre De Grace, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 19 hours 18 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		13512 km
Statute Miles		8396 miles
Nautical Miles		7291 nm
Avg. Time of Flight		19 hours 18 minutes

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

Location of Gregory May Heliport & Chiang Mai International Airport is given below.
Click the map to view Havre De Grace to Chiang Mai nonstop flight path and travel direction.

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

Nonstop flight route between Havre De Grace, United States and Chiang Mai, Thailand.

Time Difference Between the Airports • - CNX

Time difference between Havre De Grace (United States) and Chiang Mai (Thailand) is 11 Hours.
Chiang Mai time is 11 Hours ahead of Havre De Grace.

Location	Local Time
Havre De Grace (United States)	2026-05-07, 09:15:48 EDT
Chiang Mai (Thailand)	2026-05-07, 20:15:48 +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

Gregory May Heliport ( / MD08) Havre De Grace, United States

Destination

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