The flight distance from Cascais Airport (CAT) in Cascais Airport, Portugal to Tribhuvan International Airport (KTM) in Kathmandu, Nepal is 8,503 kilometers (5,283 miles / 4,591 nautical miles). The estimated flight time for this route is approximately 11h, flying east northeast at a heading of 65°.

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 Portugal with Nepal. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 20:02 in Cascais Airport, it's 01:47 in Kathmandu. The 5.75-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 4,065 feet between the two airports. Tribhuvan International Airport sits higher than Cascais Airport.

The return flight from Kathmandu (KTM) to Cascais Airport (CAT) follows a heading of 307° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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