Distance From Realeza Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Realeza Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 10587 miles or 17038 kilometers or 9194 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 Realeza ( Brazil ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Realeza and Ulaanbaatar (Sergelen) takes around 24 hours 20 minutes.

Estimated flight time from Realeza Airport, Realeza, Brazil to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 24 hours 20 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		17038 km
Statute Miles		10587 miles
Nautical Miles		9194 nm
Avg. Time of Flight		24 hours 20 minutes

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

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

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

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

Time Difference Between the Airports • - UBN

Time difference between Realeza (Brazil) and Ulaanbaatar (Sergelen) (Mongolia) is 12 Hours.
Ulaanbaatar (Sergelen) time is 12 Hours ahead of Realeza.

Location	Local Time
Realeza (Brazil)	2026-07-27, 16:39:49 -04
Ulaanbaatar (Sergelen) (Mongolia)	2026-07-28, 04:39:49 +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

Realeza Airport ( / SSRE) Realeza, Brazil

Destination

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