The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to Sines Airport (SIE) in Sines Airport, Portugal is 9,083 kilometers (5,644 miles / 4,904 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 308°.

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

Time zone information: When it's 19:04 in Kolkata, it's 13:34 in Sines Airport. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Sines Airport (SIE) to Kolkata (CCU) follows a heading of 68° (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 Sines Airport (SIE) detail pages, or use our flight duration calculator to compare other routes.