The flight distance from Dayrestan Airport (GSM) in Dayrestan Airport, Iran to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 2,908 kilometers (1,807 miles / 1,570 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 81°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Iran with Nepal. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:51 in Dayrestan Airport, it's 09:06 in Kathmandu.

There is a significant elevation difference of 4,345 feet between the two airports. Tribhuvan International Airport sits higher than Dayrestan Airport.

The return flight from Kathmandu (KTM) to Dayrestan Airport (GSM) follows a heading of 275° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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