Distance From Ag Aviation Airport to Chiang Mai International Airport

The distance from Ag Aviation Airport () to Chiang Mai International Airport (CNX) is 8963 miles or 14424 kilometers or 7784 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 Welsh ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Welsh and Chiang Mai takes around 20 hours 36 minutes.

Estimated flight time from Ag Aviation Airport, Welsh, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 20 hours 36 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		14424 km
Statute Miles		8963 miles
Nautical Miles		7784 nm
Avg. Time of Flight		20 hours 36 minutes

Ag Aviation Airport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

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

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

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

Time Difference Between the Airports • - CNX

Time difference between Welsh (United States) and Chiang Mai (Thailand) is 12 Hours.
Chiang Mai time is 12 Hours ahead of Welsh.

Location	Local Time
Welsh (United States)	2026-03-20, 16:54:05 CDT
Chiang Mai (Thailand)	2026-03-21, 04:54:05 +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

Ag Aviation Airport ( / LS18) Welsh, United States

Destination

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