Distance From Koksan Highway Airport to Tribhuvan International Airport

The distance from Koksan Highway Airport () to Tribhuvan International Airport (KTM) is 2483 miles or 3996 kilometers or 2156 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 Koksan ( North Korea ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Koksan and Kathmandu takes around 5 hours 42 minutes.

Estimated flight time from Koksan Highway Airport, Koksan, North Korea to Tribhuvan International Airport, Kathmandu, Nepal is 5 hours 42 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 • - KTM

Kilometers		3996 km
Statute Miles		2483 miles
Nautical Miles		2156 nm
Avg. Time of Flight		5 hours 42 minutes

Koksan Highway Airport to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

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

Click to see flight route on Google Map between Koksan, North Korea and Kathmandu, Nepal. .

Nonstop flight route between Koksan, North Korea and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Koksan (North Korea) and Kathmandu (Nepal) is 3 Hours 15 Minutes.
Kathmandu time is 3 Hours 15 Minutes behind Koksan.

Location	Local Time
Koksan (North Korea)	2026-11-09, 10:02:33 KST
Kathmandu (Nepal)	2026-11-09, 06:47:33 +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

Koksan Highway Airport ( / ) Koksan, North Korea

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal