Distance From Green River Municipal Airport to Ulaanbaatar Chinggis Khaan International Airport, RVR - UBN Distance

The distance from Green River Municipal Airport (RVR) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 6034 miles or 9711 kilometers or 5240 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 Green River ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Green River and Ulaanbaatar (Sergelen) takes around 13 hours 52 minutes.

Estimated flight time from Green River Municipal Airport, Green River, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 13 hours 52 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 • RVR - UBN

Kilometers		9711 km
Statute Miles		6034 miles
Nautical Miles		5240 nm
Avg. Time of Flight		13 hours 52 minutes

Green River Municipal Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - RVR to UBN Flight Path

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

Click to see flight route on Google Map between Green River, United States and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Green River, United States and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • RVR - UBN

Time difference between Green River (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 15 Hours.
Ulaanbaatar (Sergelen) time is 15 Hours ahead of Green River.

Location	Local Time
Green River (United States)	2025-12-14, 22:14:08 MST
Ulaanbaatar (Sergelen) (Mongolia)	2025-12-15, 13:14:08 +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

Green River Municipal Airport (RVR / KU34) Green River, United States

Destination

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