Distance From Longchuan Guangsong Airport to Ulaanbaatar Chinggis Khaan International Airport

The distance from Longchuan Guangsong Airport () to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 1688 miles or 2717 kilometers or 1466 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 Dehong (Longchuan) ( China ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Dehong (Longchuan) and Ulaanbaatar (Sergelen) takes around 3 hours 52 minutes.

Estimated flight time from Longchuan Guangsong Airport, Dehong (Longchuan), China to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 3 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 • - UBN

Kilometers		2717 km
Statute Miles		1688 miles
Nautical Miles		1466 nm
Avg. Time of Flight		3 hours 52 minutes

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

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

Click to see flight route on Google Map between Dehong (Longchuan), China and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Dehong (Longchuan), China and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • - UBN

Time difference between Dehong (Longchuan) (China) and Ulaanbaatar (Sergelen) (Mongolia) is 2 Hours.
Ulaanbaatar (Sergelen) time is 2 Hours ahead of Dehong (Longchuan).

Location	Local Time
Dehong (Longchuan) (China)	2026-03-18, 11:16:31 +06
Ulaanbaatar (Sergelen) (Mongolia)	2026-03-18, 13:16:31 +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

Longchuan Guangsong Airport ( / ) Dehong (Longchuan), China

Destination

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