The flight distance from Atar International Airport (ATR) in Atar, Mauritania to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 9,742 kilometers (6,053 miles / 5,260 nautical miles). The estimated flight time for this route is approximately 12h, flying east northeast at a heading of 61°.

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 Mauritania with Nepal. It is an intercontinental flight between Africa and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:55 in Atar, it's 07:40 in Kathmandu. The 5.75-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 3,656 feet between the two airports. Tribhuvan International Airport sits higher than Atar International Airport.

The return flight from Kathmandu (KTM) to Atar (ATR) follows a heading of 292° (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 Atar International Airport (ATR) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.