Distance From Gleba Oscar Americano I Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Gleba Oscar Americano I Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 9762 miles or 15710 kilometers or 8477 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 Porto Dos Gaúchos ( Brazil ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Porto Dos Gaúchos and Ulaanbaatar (Sergelen) takes around 22 hours 26 minutes.

Estimated flight time from Gleba Oscar Americano I Airport, Porto Dos Gaúchos, Brazil to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 22 hours 26 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		15710 km
Statute Miles		9762 miles
Nautical Miles		8477 nm
Avg. Time of Flight		22 hours 26 minutes

Gleba Oscar Americano I Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

Location of Gleba Oscar Americano I Airport & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Porto Dos Gaúchos to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

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

Nonstop flight route between Porto Dos Gaúchos, Brazil and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

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

Location	Local Time
Porto Dos Gaúchos (Brazil)	2026-05-17, 11:19:04 -04
Ulaanbaatar (Sergelen) (Mongolia)	2026-05-17, 23:19:04 +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

Gleba Oscar Americano I Airport ( / ) Porto Dos Gaúchos, Brazil

Destination

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