The flight distance from Lake Havasu City Airport (HII) in Lake Havasu City, United States to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 12,787 kilometers (7,945 miles / 6,904 nautical miles). The estimated flight time for this route is approximately 16h, flying north northwest at a heading of 341°.

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 00:39 in Lake Havasu City, it's 13:24 in Kathmandu. With a 12.75-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 3,607 feet between the two airports. Tribhuvan International Airport sits higher than Lake Havasu City Airport.

The return flight from Kathmandu (KTM) to Lake Havasu City (HII) follows a heading of 18° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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