The flight distance from San Fernando Airport (FDO) in San Fernando, Argentina to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 16,520 kilometers (10,265 miles / 8,920 nautical miles). The estimated flight time for this route is approximately 20h, flying east at a heading of 92°.

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 Argentina 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 05:53 in San Fernando, it's 14:38 in Kathmandu. With a 8.75-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 4,380 feet between the two airports. Tribhuvan International Airport sits higher than San Fernando Airport.

The return flight from Kathmandu (KTM) to San Fernando (FDO) follows a heading of 249° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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