Distance From Sioux Gateway Airport / Brigadier General Bud Day Field to Chiang Mai International Airport, SUX - CNX Distance

The distance from Sioux Gateway Airport / Brigadier General Bud Day Field (SUX) to Chiang Mai International Airport (CNX) is 8099 miles or 13034 kilometers or 7033 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 Sioux City ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Sioux City and Chiang Mai takes around 18 hours 37 minutes.

Estimated flight time from Sioux Gateway Airport / Brigadier General Bud Day Field, Sioux City, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 18 hours 37 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 • SUX - CNX

Kilometers		13034 km
Statute Miles		8099 miles
Nautical Miles		7033 nm
Avg. Time of Flight		18 hours 37 minutes

Sioux Gateway Airport / Brigadier General Bud Day Field to Chiang Mai International Airport Flight Route Map - SUX to CNX Flight Path

Location of Sioux Gateway Airport / Brigadier General Bud Day Field & Chiang Mai International Airport is given below.
Click the map to view Sioux City to Chiang Mai nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • SUX - CNX

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

Location	Local Time
Sioux City (United States)	2026-06-17, 09:25:04 CDT
Chiang Mai (Thailand)	2026-06-17, 21:25:04 +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

Sioux Gateway Airport / Brigadier General Bud Day Field (SUX / KSUX) Sioux City, United States

Destination

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