Distance From Glen Ullin Regional Airport to Don Mueang International Airport

The distance from Glen Ullin Regional Airport () to Don Mueang International Airport (DMK) is 8016 miles or 12900 kilometers or 6961 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 Glen Ullin ( United States ) to Bangkok ( Thailand )?

A one-way nonstop (direct) flight between Glen Ullin and Bangkok takes around 18 hours 25 minutes.

Estimated flight time from Glen Ullin Regional Airport, Glen Ullin, United States to Don Mueang International Airport, Bangkok, Thailand is 18 hours 25 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 • - DMK

Kilometers		12900 km
Statute Miles		8016 miles
Nautical Miles		6961 nm
Avg. Time of Flight		18 hours 25 minutes

Glen Ullin Regional Airport to Don Mueang International Airport Flight Route Map - to DMK Flight Path

Location of Glen Ullin Regional Airport & Don Mueang International Airport is given below.
Click the map to view Glen Ullin to Bangkok nonstop flight path and travel direction.

Click to see flight route on Google Map between Glen Ullin, United States and Bangkok, Thailand. .

Nonstop flight route between Glen Ullin, United States and Bangkok, Thailand.

Time Difference Between the Airports • - DMK

Time difference between Glen Ullin (United States) and Bangkok (Thailand) is 12 Hours.
Bangkok time is 12 Hours ahead of Glen Ullin.

Location	Local Time
Glen Ullin (United States)	2026-09-17, 19:38:18 CDT
Bangkok (Thailand)	2026-09-18, 07:38:18 +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

Glen Ullin Regional Airport ( / KD57) Glen Ullin, United States

Destination

Don Mueang International Airport (DMK / VTBD) Bangkok, Thailand