Distance From Al-Bough Airport to Ulaanbaatar Chinggis Khaan International Airport, BUK - UBN Distance

The distance from Al-Bough Airport (BUK) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4053 miles or 6522 kilometers or 3519 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 Al-Bough ( Yemen ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Al-Bough and Ulaanbaatar (Sergelen) takes around 9 hours 19 minutes.

Estimated flight time from Al-Bough Airport, Al-Bough, Yemen to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 19 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 • BUK - UBN

Kilometers		6522 km
Statute Miles		4053 miles
Nautical Miles		3519 nm
Avg. Time of Flight		9 hours 19 minutes

Al-Bough Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - BUK to UBN Flight Path

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

Click to see flight route on Google Map between Al-Bough, Yemen and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Al-Bough, Yemen and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • BUK - UBN

Time difference between Al-Bough (Yemen) and Ulaanbaatar (Sergelen) (Mongolia) is 5 Hours.
Ulaanbaatar (Sergelen) time is 5 Hours ahead of Al-Bough.

Location	Local Time
Al-Bough (Yemen)	2025-12-17, 09:05:27 +03
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-17, 14:05:27 +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

Al-Bough Airport (BUK / OYBQ) Al-Bough, Yemen

Destination

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