Distance From Heliport Castellana grotte to Tribhuvan International Airport

The distance from Heliport Castellana grotte () to Tribhuvan International Airport (KTM) is 3900 miles or 6277 kilometers or 3387 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 Castellana Grotte ( Italy ) to Kathmandu ( Nepal )?

A one-way nonstop (direct) flight between Castellana Grotte and Kathmandu takes around 8 hours 58 minutes.

Estimated flight time from Heliport Castellana grotte, Castellana Grotte, Italy to Tribhuvan International Airport, Kathmandu, Nepal is 8 hours 58 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		6277 km
Statute Miles		3900 miles
Nautical Miles		3387 nm
Avg. Time of Flight		8 hours 58 minutes

Heliport Castellana grotte to Tribhuvan International Airport Flight Route Map - to KTM Flight Path

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

Click to see flight route on Google Map between Castellana Grotte, Italy and Kathmandu, Nepal. .

Nonstop flight route between Castellana Grotte, Italy and Kathmandu, Nepal.

Time Difference Between the Airports • - KTM

Time difference between Castellana Grotte (Italy) and Kathmandu (Nepal) is 3 Hours 45 Minutes.
Kathmandu time is 3 Hours 45 Minutes ahead of Castellana Grotte.

Location	Local Time
Castellana Grotte (Italy)	2026-06-15, 18:23:55 CEST
Kathmandu (Nepal)	2026-06-15, 22:08:55 +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

Heliport Castellana grotte ( / ) Castellana Grotte, Italy

Destination

Tribhuvan International Airport (KTM / VNKT) Kathmandu, Nepal