Distance From Semporna Airport to Chiang Mai International Airport, SMM - CNX Distance

The distance from Semporna Airport (SMM) to Chiang Mai International Airport (CNX) is 1653 miles or 2660 kilometers or 1435 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 Semporna ( Malaysia ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Semporna and Chiang Mai takes around 3 hours 48 minutes.

Estimated flight time from Semporna Airport, Semporna, Malaysia to Chiang Mai International Airport, Chiang Mai, Thailand is 3 hours 48 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 • SMM - CNX

Kilometers		2660 km
Statute Miles		1653 miles
Nautical Miles		1435 nm
Avg. Time of Flight		3 hours 48 minutes

Semporna Airport to Chiang Mai International Airport Flight Route Map - SMM to CNX Flight Path

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

Click to see flight route on Google Map between Semporna, Malaysia and Chiang Mai, Thailand. .

Nonstop flight route between Semporna, Malaysia and Chiang Mai, Thailand.

Time Difference Between the Airports • SMM - CNX

Time difference between Semporna (Malaysia) and Chiang Mai (Thailand) is 1 Hours.
Chiang Mai time is 1 Hours behind Semporna.

Location	Local Time
Semporna (Malaysia)	2026-05-23, 05:46:39 +08
Chiang Mai (Thailand)	2026-05-23, 04:46:39 +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

Semporna Airport (SMM / WBKA) Semporna, Malaysia

Destination

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