The flight distance from Netaji Subhash Chandra Bose International Airport (CCU) in Kolkata, India to Marechal Cunha Machado International Airport (SLZ) in Sao Luis, Brazil is 14,452 kilometers (8,980 miles / 7,803 nautical miles). The estimated flight time for this route is approximately 18h, flying west northwest at a heading of 287°.

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

Time zone information: When it's 03:59 in Kolkata, it's 19:29 in Sao Luis. With a 8.5-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 Sao Luis (SLZ) to Kolkata (CCU) follows a heading of 62° (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 Marechal Cunha Machado International Airport (SLZ) detail pages, or use our flight duration calculator to compare other routes.