Distance From Deoksan-ri Helipads to Chiang Mai International Airport

The distance from Deoksan-ri Helipads () to Chiang Mai International Airport (CNX) is 2158 miles or 3473 kilometers or 1874 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 Deoksan-ri ( South Korea ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Deoksan-ri and Chiang Mai takes around 4 hours 57 minutes.

Estimated flight time from Deoksan-ri Helipads, Deoksan-ri, South Korea to Chiang Mai International Airport, Chiang Mai, Thailand is 4 hours 57 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		3473 km
Statute Miles		2158 miles
Nautical Miles		1874 nm
Avg. Time of Flight		4 hours 57 minutes

Deoksan-ri Helipads to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

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

Click to see flight route on Google Map between Deoksan-ri, South Korea and Chiang Mai, Thailand. .

Nonstop flight route between Deoksan-ri, South Korea and Chiang Mai, Thailand.

Time Difference Between the Airports • - CNX

Time difference between Deoksan-ri (South Korea) and Chiang Mai (Thailand) is 2 Hours.
Chiang Mai time is 2 Hours behind Deoksan-ri.

Location	Local Time
Deoksan-ri (South Korea)	2026-04-30, 08:37:23 KST
Chiang Mai (Thailand)	2026-04-30, 06:37:23 +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

Deoksan-ri Helipads ( / ) Deoksan-ri, South Korea

Destination

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