Distance From Altenstadt Army Airfield to Ulaanbaatar Chinggis Khaan International Airport

The distance from Altenstadt Army Airfield () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4142 miles or 6665 kilometers or 3597 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 Altenstadt ( Germany ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Altenstadt and Ulaanbaatar (Sergelen) takes around 9 hours 31 minutes.

Estimated flight time from Altenstadt Army Airfield, Altenstadt, Germany to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 9 hours 31 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		6665 km
Statute Miles		4142 miles
Nautical Miles		3597 nm
Avg. Time of Flight		9 hours 31 minutes

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

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

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

Nonstop flight route between Altenstadt, Germany and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Altenstadt (Germany) and Ulaanbaatar (Sergelen) (Mongolia) is 7 Hours.
Ulaanbaatar (Sergelen) time is 7 Hours ahead of Altenstadt.

Location	Local Time
Altenstadt (Germany)	2026-03-18, 18:48:42 CET
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-19, 01:48:42 +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

Altenstadt Army Airfield ( / ETHA) Altenstadt, Germany

Destination

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