The distance from Coast Guard Air Station San Francisco () to Netaji Subhash Chandra Bose International Airport (CCU) is 7815 miles or 12576 kilometers or 6786 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.
12576 kilometers is the direct flight distance between Coast Guard Air Station San Francisco (United States) and Netaji Subhash Chandra Bose International Airport (India).
How long does it take to travel from San Francisco ( United States ) to Kolkata ( India )?
A one-way nonstop (direct) flight between San Francisco and Kolkata takes around 17 hours 57 minutes.
Estimated
flight time from Coast Guard Air Station San Francisco, San Francisco, United States to Netaji Subhash Chandra Bose International Airport, Kolkata, India is
17 hours 57 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 | | 12576 km |
| Statute Miles | | 7815 miles |
| Nautical Miles | | 6786 nm |
| Avg. Time of Flight | | 17 hours 57 minutes |
Coast Guard Air Station San Francisco to Netaji Subhash Chandra Bose International Airport Flight Route Map - to CCU Flight Path
Location of Coast Guard Air Station San Francisco & Netaji Subhash Chandra Bose International Airport is given below.
Click the map to view San Francisco to Kolkata nonstop flight path and travel direction.
Click to see flight route on Google Map between San Francisco, United States and Kolkata, India. .
Nonstop flight route between San Francisco, United States and Kolkata, India.
Time Difference Between the Airports • - CCU
Time difference between
San Francisco (United States) and
Kolkata (India) is 12 Hours 30 Minutes.
Kolkata time is 12 Hours 30 Minutes ahead of San Francisco.
| Location | Local Time |
| San Francisco (United States) | 2026-03-21, 18:48:04 PDT |
| Kolkata (India) | 2026-03-22, 07:18:04 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.