Distance From Casslindan Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Casslindan Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 5674 miles or 9131 kilometers or 4927 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 Grand Forks ( United States ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Grand Forks and Ulaanbaatar (Sergelen) takes around 13 hours 2 minutes.

Estimated flight time from Casslindan Airport, Grand Forks, United States to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 13 hours 2 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		9131 km
Statute Miles		5674 miles
Nautical Miles		4927 nm
Avg. Time of Flight		13 hours 2 minutes

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

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

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

Nonstop flight route between Grand Forks, United States and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Grand Forks (United States) and Ulaanbaatar (Sergelen) (Mongolia) is 14 Hours.
Ulaanbaatar (Sergelen) time is 14 Hours ahead of Grand Forks.

Location	Local Time
Grand Forks (United States)	2026-01-29, 10:41:02 CST
Ulaanbaatar (Sergelen) (Mongolia)	2026-01-30, 00:41:02 +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

Casslindan Airport ( / 2ND3) Grand Forks, United States

Destination

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