Distance From Buochs Airport to Ulaanbaatar Chinggis Khaan International Airport, BXO - UBN Distance

The distance from Buochs Airport (BXO) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4269 miles or 6869 kilometers or 3707 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 Buochs ( Switzerland ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Buochs and Ulaanbaatar (Sergelen) takes around 9 hours 48 minutes.

Estimated flight time from Buochs Airport, Buochs, Switzerland to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 48 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 • BXO - UBN

Kilometers		6869 km
Statute Miles		4269 miles
Nautical Miles		3707 nm
Avg. Time of Flight		9 hours 48 minutes

Buochs Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - BXO to UBN Flight Path

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

Click to see flight route on Google Map between Buochs, Switzerland and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Buochs, Switzerland and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • BXO - UBN

Time difference between Buochs (Switzerland) and Ulaanbaatar (Sergelen) (Mongolia) is 6 Hours.
Ulaanbaatar (Sergelen) time is 6 Hours ahead of Buochs.

Location	Local Time
Buochs (Switzerland)	2026-06-18, 14:11:21 CEST
Ulaanbaatar (Sergelen) (Mongolia)	2026-06-18, 20:11:21 +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

Buochs Airport (BXO / LSZC) Buochs, Switzerland

Destination

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