Distance From Lake Sawyer Double EE Seaplane Base to Netaji Subhash Chandra Bose International Airport

The distance from Lake Sawyer Double EE Seaplane Base () to Netaji Subhash Chandra Bose International Airport (CCU) is 7243 miles or 11655 kilometers or 6289 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 Black Diamond ( United States ) to Kolkata ( India )?

A one-way nonstop (direct) flight between Black Diamond and Kolkata takes around 16 hours 38 minutes.

Estimated flight time from Lake Sawyer Double EE Seaplane Base, Black Diamond, United States to Netaji Subhash Chandra Bose International Airport, Kolkata, India is 16 hours 38 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		11655 km
Statute Miles		7243 miles
Nautical Miles		6289 nm
Avg. Time of Flight		16 hours 38 minutes

Lake Sawyer Double EE Seaplane Base to Netaji Subhash Chandra Bose International Airport Flight Route Map - to CCU Flight Path

Location of Lake Sawyer Double EE Seaplane Base & Netaji Subhash Chandra Bose International Airport is given below.
Click the map to view Black Diamond to Kolkata nonstop flight path and travel direction.

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

Nonstop flight route between Black Diamond, United States and Kolkata, India.

Time Difference Between the Airports • - CCU

Time difference between Black Diamond (United States) and Kolkata (India) is 11 Hours 30 Minutes.
Kolkata time is 11 Hours 30 Minutes ahead of Black Diamond.

Location	Local Time
Black Diamond (United States)	2026-05-07, 08:15:43 MDT
Kolkata (India)	2026-05-07, 19:45:43 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

Lake Sawyer Double EE Seaplane Base ( / WA41) Black Diamond, United States

Destination

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