Distance From Rio Grande Regional Airport to Ulaanbaatar Chinggis Khaan International Airport, RIG - UBN Distance

The distance from Rio Grande Regional Airport (RIG) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 10898 miles or 17538 kilometers or 9464 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 Rio Grande ( Brazil ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Rio Grande and Ulaanbaatar (Sergelen) takes around 25 hours 3 minutes.

Estimated flight time from Rio Grande Regional Airport, Rio Grande, Brazil to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 25 hours 3 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 • RIG - UBN

Kilometers		17538 km
Statute Miles		10898 miles
Nautical Miles		9464 nm
Avg. Time of Flight		25 hours 3 minutes

Rio Grande Regional Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - RIG to UBN Flight Path

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

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

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

Time Difference Between the Airports • RIG - UBN

Time difference between Rio Grande (Brazil) and Ulaanbaatar (Sergelen) (Mongolia) is 11 Hours.
Ulaanbaatar (Sergelen) time is 11 Hours ahead of Rio Grande.

Location	Local Time
Rio Grande (Brazil)	2026-02-11, 03:47:53 -03
Ulaanbaatar (Sergelen) (Mongolia)	2026-02-11, 14:47:53 +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

Rio Grande Regional Airport (RIG / SJRG) Rio Grande, Brazil

Destination

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