Distance From Dambulu Oya Tank Seaplane Base to Ulaanbaatar Chinggis Khaan International Airport, DBU - UBN Distance

The distance from Dambulu Oya Tank Seaplane Base (DBU) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 3150 miles or 5068 kilometers or 2735 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 Dambulla ( Sri Lanka ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Dambulla and Ulaanbaatar (Sergelen) takes around 7 hours 14 minutes.

Estimated flight time from Dambulu Oya Tank Seaplane Base, Dambulla, Sri Lanka to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 7 hours 14 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 • DBU - UBN

Kilometers		5068 km
Statute Miles		3150 miles
Nautical Miles		2735 nm
Avg. Time of Flight		7 hours 14 minutes

Dambulu Oya Tank Seaplane Base to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - DBU to UBN Flight Path

Location of Dambulu Oya Tank Seaplane Base & Ulaanbaatar Chinggis Khaan International Airport is given below.
Click the map to view Dambulla to Ulaanbaatar (Sergelen) nonstop flight path and travel direction.

Click to see flight route on Google Map between Dambulla, Sri Lanka and Ulaanbaatar (Sergelen), Mongolia. .

Nonstop flight route between Dambulla, Sri Lanka and Ulaanbaatar (Sergelen), Mongolia.

Time Difference Between the Airports • DBU - UBN

Time difference between Dambulla (Sri Lanka) and Ulaanbaatar (Sergelen) (Mongolia) is 2 Hours 30 Minutes.
Ulaanbaatar (Sergelen) time is 2 Hours 30 Minutes ahead of Dambulla.

Location	Local Time
Dambulla (Sri Lanka)	2026-11-05, 08:29:31 +0530
Ulaanbaatar (Sergelen) (Mongolia)	2026-11-05, 10:59:31 +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

Dambulu Oya Tank Seaplane Base (DBU / ) Dambulla, Sri Lanka

Destination

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