The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Kastamonu Airport (KFS) in Kastamonu, Turkey is 8,710 kilometers (5,412 miles / 4,703 nautical miles). The estimated flight time for this route is approximately 11h, flying northeast at a heading of 46°.

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 Turkey. 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 11:35 in Washington, it's 19:35 in Kastamonu. With a 8-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 3,208 feet between the two airports. Kastamonu Airport sits higher than Washington Dulles International Airport.

The return flight from Kastamonu (KFS) to Washington (IAD) follows a heading of 312° (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 Washington Dulles International Airport (IAD) and Kastamonu Airport (KFS) detail pages, or use our flight duration calculator to compare other routes.