The flight distance from Alenquer Airport (ALT) in Alenquer, Brazil to Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India is 15,422 kilometers (9,583 miles / 8,327 nautical miles). The estimated flight time for this route is approximately 19h, flying east northeast at a heading of 57°.

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

Time zone information: When it's 05:49 in Alenquer, it's 15:19 in Kolkata. With a 9.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Kolkata (CCU) to Alenquer (ALT) follows a heading of 295° (west 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 Alenquer Airport (ALT) and Netaji Subhash Chandra Bose International Airport (CCU) detail pages, or use our flight duration calculator to compare other routes.