The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to Sambailo Airport (SBI) in Koundara, Guinea is 10,649 kilometers (6,617 miles / 5,750 nautical miles). The estimated flight time for this route is approximately 14h, flying west northwest at a heading of 286°.

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 Guinea. It is an intercontinental flight between Asia and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 20:36 in Kolkata, it's 15:06 in Koundara. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Koundara (SBI) to Kolkata (CCU) follows a heading of 65° (east northeast). 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 Sambailo Airport (SBI) detail pages, or use our flight duration calculator to compare other routes.