The flight distance from Simon Bolivar International Airport (GYE) in Guayaquil, Ecuador to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 16,770 kilometers (10,421 miles / 9,055 nautical miles). The estimated flight time for this route is approximately 21h, flying north northeast at a heading of 28°.

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 12:16 in Guayaquil, it's 23:01 in Kathmandu. With a 10.75-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 4,371 feet between the two airports. Tribhuvan International Airport sits higher than Simon Bolivar International Airport.

The return flight from Kathmandu (KTM) to Guayaquil (GYE) follows a heading of 329° (north 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 Simon Bolivar International Airport (GYE) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.