Distance From Bradshaw Army Airfield to Ulaanbaatar Chinggis Khaan International Airport, BSF - UBN Distance

The distance from Bradshaw Army Airfield (BSF) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5560 miles or 8947 kilometers or 4828 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 Waimea (Kamuela) ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Waimea (Kamuela) and Ulaanbaatar (Sergelen) takes around 12 hours 46 minutes.

Estimated flight time from Bradshaw Army Airfield, Waimea (Kamuela), United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 12 hours 46 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 • BSF - UBN

Kilometers		8947 km
Statute Miles		5560 miles
Nautical Miles		4828 nm
Avg. Time of Flight		12 hours 46 minutes

Bradshaw Army Airfield to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - BSF to UBN Flight Path

Location of Bradshaw Army Airfield & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Waimea (Kamuela) to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • BSF - UBN

Time difference between Waimea (Kamuela) (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 18 Hours.
Ulaanbaatar (Sergelen) time is 18 Hours ahead of Waimea (Kamuela).

Location	Local Time
Waimea (Kamuela) (United States)	2026-06-22, 22:45:30 HST
Ulaanbaatar (Sergelen) (Mongolia)	2026-06-23, 16:45:30 +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

Bradshaw Army Airfield (BSF / PHSF) Waimea (Kamuela), United States

Destination

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