The flight distance from Adak Airport (ADK) in Adak Island, United States to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 8,135 kilometers (5,055 miles / 4,393 nautical miles). The estimated flight time for this route is approximately 11h, flying west northwest at a heading of 294°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

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 15:12 in Adak Island, it's 05:57 in Kathmandu. With a 14.75-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 4,371 feet between the two airports. Tribhuvan International Airport sits higher than Adak Airport.

The return flight from Kathmandu (KTM) to Adak Island (ADK) follows a heading of 40° (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 Adak Airport (ADK) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.