Distance From Assis Brasil Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Assis Brasil Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 9891 miles or 15917 kilometers or 8589 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.

---

How long does it take to travel from Assis Brasil ( Brazil ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Assis Brasil and Ulaanbaatar (Sergelen) takes around 22 hours 44 minutes.

Estimated flight time from Assis Brasil Airport, Assis Brasil, Brazil to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 22 hours 44 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		15917 km
Statute Miles		9891 miles
Nautical Miles		8589 nm
Avg. Time of Flight		22 hours 44 minutes

Assis Brasil Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

Click to see flight route on Google Map between Assis Brasil, Brazil and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Assis Brasil, Brazil and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Assis Brasil (Brazil) and Ulaanbaatar (Sergelen) (Mongolia) is 13 Hours.
Ulaanbaatar (Sergelen) time is 13 Hours ahead of Assis Brasil.

Location	Local Time
Assis Brasil (Brazil)	2026-09-13, 00:25:42 -05
Ulaanbaatar (Sergelen) (Mongolia)	2026-09-13, 13:25:42 +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

Assis Brasil Airport ( / ) Assis Brasil, Brazil

Destination

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