The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Astor Piazzola International Airport (MDQ) in Mar del Plata, Argentina is 16,396 kilometers (10,188 miles / 8,853 nautical miles). The estimated flight time for this route is approximately 20h, flying west southwest at a heading of 242°.

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 Argentina. It is an intercontinental flight between Asia and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 12:40 in Kathmandu, it's 03:55 in Mar del Plata. 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 4,318 feet between the two airports. Astor Piazzola International Airport sits lower than Tribhuvan International Airport.

The return flight from Mar del Plata (MDQ) to Kathmandu (KTM) follows a heading of 97° (east). 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 Astor Piazzola International Airport (MDQ) detail pages, or use our flight duration calculator to compare other routes.