The flight distance from East Hampton Town Airport (HTO) in East Hampton, United States to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 12,039 kilometers (7,481 miles / 6,501 nautical miles). The estimated flight time for this route is approximately 15h, flying north northeast at a heading of 21°.

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 United States 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 00:45 in East Hampton, it's 11:30 in Kathmandu. 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 4,335 feet between the two airports. Tribhuvan International Airport sits higher than East Hampton Town Airport.

The return flight from Kathmandu (KTM) to East Hampton (HTO) follows a heading of 342° (north 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 East Hampton Town Airport (HTO) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.