The flight distance from D. Casimiro Szlapelis Airport (ARR) in Alto Rio Senguerr, Argentina to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 17,161 kilometers (10,664 miles / 9,266 nautical miles). The estimated flight time for this route is approximately 21h, flying southeast at a heading of 124°.

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 Argentina 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 08:17 in Alto Rio Senguerr, it's 17:02 in Kathmandu. With a 8.75-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 2,104 feet between the two airports. Tribhuvan International Airport sits higher than D. Casimiro Szlapelis Airport.

The return flight from Kathmandu (KTM) to Alto Rio Senguerr (ARR) follows a heading of 221° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the D. Casimiro Szlapelis Airport (ARR) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.