The flight distance from Seymour Airport (GPS) in Baltra, Ecuador to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 16,949 kilometers (10,532 miles / 9,152 nautical miles). The estimated flight time for this route is approximately 21h, flying north at a heading of 8°.

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 Ecuador 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 04:39 in Baltra, it's 16:24 in Kathmandu. With a 11.75-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 4,183 feet between the two airports. Tribhuvan International Airport sits higher than Seymour Airport.

The return flight from Kathmandu (KTM) to Baltra (GPS) follows a heading of 351° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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