Distance From Mattala Rajapaksa International Airport to Chiang Mai International Airport, HRI - CNX Distance

The distance from Mattala Rajapaksa International Airport (HRI) to Chiang Mai International Airport (CNX) is 1478 miles or 2379 kilometers or 1284 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 Mattala ( Sri Lanka ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Mattala and Chiang Mai takes around 3 hours 23 minutes.

Estimated flight time from Mattala Rajapaksa International Airport, Mattala, Sri Lanka to Chiang Mai International Airport, Chiang Mai, Thailand is 3 hours 23 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 • HRI - CNX

Kilometers		2379 km
Statute Miles		1478 miles
Nautical Miles		1284 nm
Avg. Time of Flight		3 hours 23 minutes

Mattala Rajapaksa International Airport to Chiang Mai International Airport Flight Route Map - HRI to CNX Flight Path

Location of Mattala Rajapaksa International Airport & Chiang Mai International Airport is given below.
Click the map to view Mattala to Chiang Mai nonstop flight path and travel direction.

Click to see flight route on Google Map between Mattala, Sri Lanka and Chiang Mai, Thailand. .

Nonstop flight route between Mattala, Sri Lanka and Chiang Mai, Thailand.

Time Difference Between the Airports • HRI - CNX

Time difference between Mattala (Sri Lanka) and Chiang Mai (Thailand) is 1 Hours 30 Minutes.
Chiang Mai time is 1 Hours 30 Minutes ahead of Mattala.

Location	Local Time
Mattala (Sri Lanka)	2026-06-14, 03:23:43 +0530
Chiang Mai (Thailand)	2026-06-14, 04:53:43 +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

Mattala Rajapaksa International Airport (HRI / VCRI) Mattala, Sri Lanka

Destination

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