Distance From Fort St James Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Fort St James Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 4784 miles or 7699 kilometers or 4155 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 Fort St. James ( Canada ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Fort St. James and Ulaanbaatar (Sergelen) takes around 10 hours 59 minutes.

Estimated flight time from Fort St James Airport, Fort St. James, Canada to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 10 hours 59 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		7699 km
Statute Miles		4784 miles
Nautical Miles		4155 nm
Avg. Time of Flight		10 hours 59 minutes

Fort St James Airport to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - to UBN Flight Path

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

Click to see flight route on Google Map between Fort St. James, Canada and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Fort St. James, Canada and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Fort St. James (Canada) and Ulaanbaatar (Sergelen) (Mongolia) is 15 Hours.
Ulaanbaatar (Sergelen) time is 15 Hours ahead of Fort St. James.

Location	Local Time
Fort St. James (Canada)	2026-06-18, 10:15:54 MST
Ulaanbaatar (Sergelen) (Mongolia)	2026-06-19, 01:15:54 +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

Fort St James Airport ( / CYJM) Fort St. James, Canada

Destination

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