The flight distance from Les Bases Airport (GBJ) in Grand Bourg, GP to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 13,982 kilometers (8,688 miles / 7,550 nautical miles). The estimated flight time for this route is approximately 17h, flying northeast at a heading of 37°.

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 GP 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 18:47 in Grand Bourg, it's 04:32 in Kathmandu. With a 9.75-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 4,374 feet between the two airports. Tribhuvan International Airport sits higher than Les Bases Airport.

The return flight from Kathmandu (KTM) to Grand Bourg (GBJ) follows a heading of 319° (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 Les Bases Airport (GBJ) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.