The flight distance from Cascais Airport (CAT) in Cascais Airport, Portugal to Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India is 9,093 kilometers (5,650 miles / 4,910 nautical miles). The estimated flight time for this route is approximately 12h, flying east northeast at a heading of 67°.

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

Time zone information: When it's 11:04 in Cascais Airport, it's 16:34 in Kolkata. The 5.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Kolkata (CCU) to Cascais Airport (CAT) follows a heading of 309° (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 Cascais Airport (CAT) and Netaji Subhash Chandra Bose International Airport (CCU) detail pages, or use our flight duration calculator to compare other routes.