The flight distance from Glenwood Springs Municipal Airport (GWS) in Glenwood Springs, United States to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 12,427 kilometers (7,722 miles / 6,710 nautical miles). The estimated flight time for this route is approximately 16h, flying north northwest at a heading of 348°.

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 02:27 in Glenwood Springs, it's 15:12 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 1,526 feet between the two airports. Tribhuvan International Airport sits lower than Glenwood Springs Municipal Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Kathmandu (KTM) to Glenwood Springs (GWS) follows a heading of 10° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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