Distance From Ottawa (Civic Hospital) Heliport to Chiang Mai International Airport

The distance from Ottawa (Civic Hospital) Heliport () to Chiang Mai International Airport (CNX) is 7991 miles or 12861 kilometers or 6940 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 Ottawa ( Canada ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Ottawa and Chiang Mai takes around 18 hours 22 minutes.

Estimated flight time from Ottawa (Civic Hospital) Heliport, Ottawa, Canada to Chiang Mai International Airport, Chiang Mai, Thailand is 18 hours 22 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		12861 km
Statute Miles		7991 miles
Nautical Miles		6940 nm
Avg. Time of Flight		18 hours 22 minutes

Ottawa (Civic Hospital) Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

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

Click to see flight route on Google Map between Ottawa, Canada and Chiang Mai, Thailand. .

Nonstop flight route between Ottawa, Canada and Chiang Mai, Thailand.

Time Difference Between the Airports • - CNX

Time difference between Ottawa (Canada) and Chiang Mai (Thailand) is 11 Hours.
Chiang Mai time is 11 Hours ahead of Ottawa.

Location	Local Time
Ottawa (Canada)	2026-03-20, 07:12:43 EDT
Chiang Mai (Thailand)	2026-03-20, 18:12:43 +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

Ottawa (Civic Hospital) Heliport ( / CPP7) Ottawa, Canada

Destination

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