The flight distance from Tapuruquara Airport (IRZ) in Santa Isabel Do Rio Negro, Brazil to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 15,638 kilometers (9,717 miles / 8,444 nautical miles). The estimated flight time for this route is approximately 19h, flying northeast at a heading of 44°.

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 Nepal. 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 04:38 in Santa Isabel Do Rio Negro, it's 14:23 in Kathmandu. With a 9.75-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 4,167 feet between the two airports. Tribhuvan International Airport sits higher than Tapuruquara Airport.

The return flight from Kathmandu (KTM) to Santa Isabel Do Rio Negro (IRZ) 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 Tapuruquara Airport (IRZ) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.