Distance From Sand Bar Flat Heliport to Netaji Subhash Chandra Bose International Airport

The distance from Sand Bar Flat Heliport () to Netaji Subhash Chandra Bose International Airport (CCU) is 7842 miles or 12621 kilometers or 6810 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 Twain Harte ( United States ) to Kolkata ( India )?

A one-way nonstop (direct) flight between Twain Harte and Kolkata takes around 18 hours 1 minutes.

Estimated flight time from Sand Bar Flat Heliport, Twain Harte, United States to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 18 hours 1 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 • - CCU

Kilometers		12621 km
Statute Miles		7842 miles
Nautical Miles		6810 nm
Avg. Time of Flight		18 hours 1 minutes

Sand Bar Flat Heliport to Netaji Subhash Chandra Bose International Airport Flight Route Map - to CCU Flight Path

Location of Sand Bar Flat Heliport & Netaji Subhash Chandra Bose International Airport is given below.
Click the map to view Twain Harte to Kolkata nonstop flight path and travel direction.

Click to see flight route on Google Map between Twain Harte, United States and Kolkata, India. .

Nonstop flight route between Twain Harte, United States and Kolkata, India.

Time Difference Between the Airports • - CCU

Time difference between Twain Harte (United States) and Kolkata (India) is 13 Hours 30 Minutes.
Kolkata time is 13 Hours 30 Minutes ahead of Twain Harte.

Location	Local Time
Twain Harte (United States)	2026-11-08, 15:24:40 PST
Kolkata (India)	2026-11-09, 04:54:40 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

Sand Bar Flat Heliport ( / ) Twain Harte, United States

Destination

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