The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to St Johns Industrial Air Park (SJN) in St Johns, United States is 13,385 kilometers (8,317 miles / 7,227 nautical miles). The estimated flight time for this route is approximately 17h, flying north northeast at a heading of 17°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting India with United States. It is an intercontinental flight between Asia and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:05 in Kolkata, it's 20:35 in St Johns. With a 12.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 5,721 feet between the two airports. St Johns Industrial Air Park sits higher than Netaji Subhash Chandra Bose International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from St Johns (SJN) to Kolkata (CCU) follows a heading of 341° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Netaji Subhash Chandra Bose International Airport (CCU) and St Johns Industrial Air Park (SJN) detail pages, or use our flight duration calculator to compare other routes.