Distance From Ulaangom Airport to Tribhuvan International Airport, ULO - KTM Distance

The distance from Ulaangom Airport (ULO) to Tribhuvan International Airport (KTM) is 1585 miles or 2550 kilometers or 1376 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 Ulaangom ( Mongolia ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Ulaangom and Kathmandu takes around 3 hours 38 minutes.

Estimated flight time from Ulaangom Airport, Ulaangom, Mongolia to Tribhuvan International Airport, Kathmandu, Nepal is 3 hours 38 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 • ULO - KTM

Kilometers		2550 km
Statute Miles		1585 miles
Nautical Miles		1376 nm
Avg. Time of Flight		3 hours 38 minutes

Ulaangom Airport to Tribhuvan International Airport Flight Route Map - ULO to KTM Flight Path

Location of Ulaangom Airport & Tribhuvan International Airport is given below.
Click the map to view Ulaangom to Kathmandu nonstop flight path and travel direction.

Click to see flight route on Google Map between Ulaangom, Mongolia and Kathmandu, Nepal. .

Nonstop flight route between Ulaangom, Mongolia and Kathmandu, Nepal.

Time Difference Between the Airports • ULO - KTM

Time difference between Ulaangom (Mongolia) and Kathmandu (Nepal) is 1 Hours 15 Minutes.
Kathmandu time is 1 Hours 15 Minutes behind Ulaangom.

Location	Local Time
Ulaangom (Mongolia)	2026-11-09, 05:51:15 +07
Kathmandu (Nepal)	2026-11-09, 04:36:15 +0545

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

Ulaangom Airport (ULO / ZMUG) Ulaangom, Mongolia

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal