Distance From Tribhuvan International Airport to Juanda International Airport, KTM - SUB Distance

The distance from Tribhuvan International Airport (KTM) to Juanda International Airport (SUB) is 3039 miles or 4890 kilometers or 2639 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 Kathmandu ( Nepal ) to Surabaya ( Indonesia )?

A one-way nonstop (direct) flight between Kathmandu and Surabaya takes around 6 hours 59 minutes.

Estimated flight time from Tribhuvan International Airport, Kathmandu, Nepal to Juanda International Airport, Surabaya, Indonesia is 6 hours 59 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 - SUB

Kilometers		4890 km
Statute Miles		3039 miles
Nautical Miles		2639 nm
Avg. Time of Flight		6 hours 59 minutes

Tribhuvan International Airport to Juanda International Airport Flight Route Map - KTM to SUB Flight Path

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

Click to see flight route on Google Map between Kathmandu, Nepal and Surabaya, Indonesia. .

Nonstop flight route between Kathmandu, Nepal and Surabaya, Indonesia.

Time Difference Between the Airports • KTM - SUB

Time difference between Kathmandu (Nepal) and Surabaya (Indonesia) is 1 Hours 15 Minutes.
Surabaya time is 1 Hours 15 Minutes ahead of Kathmandu.

Location	Local Time
Kathmandu (Nepal)	2026-11-04, 08:23:57 +0545
Surabaya (Indonesia)	2026-11-04, 09:38:57 WIB

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

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal

Destination

Juanda International Airport (SUB / WARR) Surabaya, Indonesia