The flight distance from Nikolski Air Station (IKO) in Nikolski, United States to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 8,562 kilometers (5,320 miles / 4,623 nautical miles). The estimated flight time for this route is approximately 11h, flying west northwest at a heading of 299°.

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 15:45 in Nikolski, it's 07:30 in Kathmandu. With a 15.75-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 4,313 feet between the two airports. Tribhuvan International Airport sits higher than Nikolski Air Station.

The return flight from Kathmandu (KTM) to Nikolski (IKO) follows a heading of 37° (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 Nikolski Air Station (IKO) and Tribhuvan International Airport (KTM) detail pages, or use our flight duration calculator to compare other routes.