Distance From Donoi Airport to Tribhuvan International Airport, ULZ - KTM Distance

The distance from Donoi Airport (ULZ) to Tribhuvan International Airport (KTM) is 1508 miles or 2427 kilometers or 1310 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 Uliastai ( Mongolia ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Uliastai and Kathmandu takes around 3 hours 28 minutes.

Estimated flight time from Donoi Airport, Uliastai, Mongolia to Tribhuvan International Airport, Kathmandu, Nepal is 3 hours 28 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 • ULZ - KTM

Kilometers		2427 km
Statute Miles		1508 miles
Nautical Miles		1310 nm
Avg. Time of Flight		3 hours 28 minutes

Donoi Airport to Tribhuvan International Airport Flight Route Map - ULZ to KTM Flight Path

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

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

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

Time Difference Between the Airports • ULZ - KTM

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

Location	Local Time
Uliastai (Mongolia)	2026-08-09, 09:44:02 +07
Kathmandu (Nepal)	2026-08-09, 08:29:02 +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

Donoi Airport (ULZ / ZMDN) Uliastai, Mongolia

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal