The flight distance from Tribhuvan International Airport (KTM) in Kathmandu, Nepal to Mukalla International Airport (RIY) in Riyan, Yemen is 3,984 kilometers (2,475 miles / 2,151 nautical miles). The estimated flight time for this route is approximately 6h, flying west southwest at a heading of 256°.

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 Nepal with Yemen. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 17:08 in Kathmandu, it's 14:23 in Riyan.

There is a significant elevation difference of 4,336 feet between the two airports. Mukalla International Airport sits lower than Tribhuvan International Airport.

The return flight from Riyan (RIY) to Kathmandu (KTM) follows a heading of 63° (east 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 Tribhuvan International Airport (KTM) and Mukalla International Airport (RIY) detail pages, or use our flight duration calculator to compare other routes.