The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Porto dos Gauchos Airport (PBV) in Porto Dos Gauchos, Brazil is 15,737 kilometers (9,778 miles / 8,497 nautical miles). The estimated flight time for this route is approximately 20h, 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 Nepal 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 05:00 in Kathmandu, it's 19:15 in Porto Dos Gauchos. 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 3,078 feet between the two airports. Porto dos Gauchos Airport sits lower than Tribhuvan International Airport.

The return flight from Porto Dos Gauchos (PBV) to Kathmandu (KTM) follows a heading of 60° (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 Tribhuvan International Airport (KTM) and Porto dos Gauchos Airport (PBV) detail pages, or use our flight duration calculator to compare other routes.