The flight distance from Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States to Dera Ismael Khan Airport (DSK) in Dera Ismael Khan, Pakistan is 11,478 kilometers (7,132 miles / 6,197 nautical miles). The estimated flight time for this route is approximately 15h, flying north northeast at a heading of 28°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting United States with Pakistan. 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 11:40 in Washington, it's 20:40 in Dera Ismael Khan. With a 9-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Dera Ismael Khan (DSK) to Washington (DCA) follows a heading of 335° (north 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 Ronald Reagan Washington Ntl Airport (DCA) and Dera Ismael Khan Airport (DSK) detail pages, or use our flight duration calculator to compare other routes.