Distance From Trincomalee Harbor Waterdrome to Ulaanbaatar Chinggis Khaan International Airport, THW - UBN Distance

The distance from Trincomalee Harbor Waterdrome (THW) to Ulaanbaatar Chinggis Khaan International Airport (UBN) is 3089 miles or 4971 kilometers or 2682 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 Trincomalee ( Sri Lanka ) to Ulaanbaatar (Sergelen) ( Mongolia )?

A one-way nonstop (direct) flight between Trincomalee and Ulaanbaatar (Sergelen) takes around 7 hours 6 minutes.

Estimated flight time from Trincomalee Harbor Waterdrome, Trincomalee, Sri Lanka to Ulaanbaatar Chinggis Khaan International Airport, Ulaanbaatar (Sergelen), Mongolia is 7 hours 6 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 • THW - UBN

Kilometers		4971 km
Statute Miles		3089 miles
Nautical Miles		2682 nm
Avg. Time of Flight		7 hours 6 minutes

Trincomalee Harbor Waterdrome to Ulaanbaatar Chinggis Khaan International Airport Flight Route Map - THW to UBN Flight Path

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

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

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

Time Difference Between the Airports • THW - UBN

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

Location	Local Time
Trincomalee (Sri Lanka)	2026-05-05, 03:51:29 +0530
Ulaanbaatar (Sergelen) (Mongolia)	2026-05-05, 06:21:29 +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

Trincomalee Harbor Waterdrome (THW / ) Trincomalee, Sri Lanka

Destination

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