Distance From Richardson Regional Heliport - Bush Highway to Chiang Mai International Airport

The distance from Richardson Regional Heliport - Bush Highway () to Chiang Mai International Airport (CNX) is 8715 miles or 14024 kilometers or 7568 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 Richardson ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Richardson and Chiang Mai takes around 20 hours 2 minutes.

Estimated flight time from Richardson Regional Heliport - Bush Highway, Richardson, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 20 hours 2 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		14024 km
Statute Miles		8715 miles
Nautical Miles		7568 nm
Avg. Time of Flight		20 hours 2 minutes

Richardson Regional Heliport - Bush Highway to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

Location of Richardson Regional Heliport - Bush Highway & Chiang Mai International Airport is given below.
Click the map to view Richardson to Chiang Mai nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - CNX

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

Location	Local Time
Richardson (United States)	2026-08-08, 01:18:57 EDT
Chiang Mai (Thailand)	2026-08-08, 12:18:57 +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

Richardson Regional Heliport - Bush Highway ( / XA40) Richardson, United States

Destination

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