The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Union Glacier Blue-Ice Runway (UGL) in Antartica, AQ is 14,199 kilometers (8,823 miles / 7,667 nautical miles). The estimated flight time for this route is approximately 18h, flying south at a heading of 183°.

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 AQ. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:10 in Kathmandu, it's 00:25 in Antartica. 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 1,929 feet between the two airports. Union Glacier Blue-Ice Runway sits lower than Tribhuvan International Airport.

The return flight from Antartica (UGL) to Kathmandu (KTM) follows a heading of 167° (south southeast). 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 Union Glacier Blue-Ice Runway (UGL) detail pages, or use our flight duration calculator to compare other routes.