Distance From Tribhuvan International Airport to Netaji Subhash Chandra Bose International Airport, KTM - CCU Distance

The distance from Tribhuvan International Airport (KTM) to Netaji Subhash Chandra Bose International Airport (CCU) is 399 miles or 641 kilometers or 346 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 Kolkata ( India )?

A one-way nonstop (direct) flight between Kathmandu and Kolkata takes around 0 hours 54 minutes.

Estimated flight time from Tribhuvan International Airport, Kathmandu, Nepal to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 0 hours 54 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 - CCU

Kilometers		641 km
Statute Miles		399 miles
Nautical Miles		346 nm
Avg. Time of Flight		0 hours 54 minutes

Tribhuvan International Airport to Netaji Subhash Chandra Bose International Airport Flight Route Map - KTM to CCU Flight Path

Location of Tribhuvan International Airport & Netaji Subhash Chandra Bose International Airport is given below.
Click the map to view Kathmandu to Kolkata nonstop flight path and travel direction.

Click to see flight route on Google Map between Kathmandu, Nepal and Kolkata, India. .

Nonstop flight route between Kathmandu, Nepal and Kolkata, India.

Time Difference Between the Airports • KTM - CCU

Time difference between Kathmandu (Nepal) and Kolkata (India) is 0 Hours 15 Minutes.
Kolkata time is 0 Hours 15 Minutes behind Kathmandu.

Location	Local Time
Kathmandu (Nepal)	2026-02-13, 04:48:09 +0545
Kolkata (India)	2026-02-13, 04:33:09 IST

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

Netaji Subhash Chandra Bose International Airport (CCU / VECC) Kolkata, India