The flight distance from Ciudad Constitucion Airport (CUA) in Ciudad Constitucion, Mexico to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 13,874 kilometers (8,621 miles / 7,492 nautical miles). The estimated flight time for this route is approximately 17h, flying north northwest at a heading of 342°.

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

Time zone information: When it's 02:06 in Ciudad Constitucion, it's 14:51 in Kathmandu. With a 12.75-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 4,177 feet between the two airports. Tribhuvan International Airport sits higher than Ciudad Constitucion Airport.

The return flight from Kathmandu (KTM) to Ciudad Constitucion (CUA) follows a heading of 19° (north 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 Ciudad Constitucion Airport (CUA) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.