Distance From Brownsville Airpark to Ulaanbaatar Chinggis Khaan International Airport

The distance from Brownsville Airpark () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5733 miles or 9226 kilometers or 4979 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 Brownsville ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Brownsville and Ulaanbaatar (Sergelen) takes around 13 hours 10 minutes.

Estimated flight time from Brownsville Airpark, Brownsville, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 13 hours 10 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 • - UBN

Kilometers		9226 km
Statute Miles		5733 miles
Nautical Miles		4979 nm
Avg. Time of Flight		13 hours 10 minutes

Brownsville Airpark to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

Location of Brownsville Airpark & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Brownsville to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Brownsville, United States and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Brownsville, United States and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Brownsville (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 14 Hours.
Ulaanbaatar (Sergelen) time is 14 Hours ahead of Brownsville.

Location	Local Time
Brownsville (United States)	2026-08-02, 23:08:32 MDT
Ulaanbaatar (Sergelen) (Mongolia)	2026-08-03, 13:08:32 +08

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

Brownsville Airpark ( / 2CL1) Brownsville, United States

Destination

Ulaanbaatar Chinggis Khaan International Airport (UBN / ZMCK) Ulaanbaatar (Sergelen), Mongolia