The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Leeward Point Field (NBW) in Guantanamo Bay Naval Station, Cuba is 14,323 kilometers (8,900 miles / 7,734 nautical miles). The estimated flight time for this route is approximately 18h, flying north northwest at a heading of 336°.

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

Time zone information: When it's 19:24 in Kathmandu, it's 08:39 in Guantanamo Bay Naval Station. 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 4,334 feet between the two airports. Leeward Point Field sits lower than Tribhuvan International Airport.

The return flight from Guantanamo Bay Naval Station (NBW) to Kathmandu (KTM) follows a heading of 22° (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 Tribhuvan International Airport (KTM) and Leeward Point Field (NBW) detail pages, or use our flight duration calculator to compare other routes.