The flight distance from Combolcha Airport (DSE) in Dessie, Ethiopia to Washington Dulles International Airport (IAD) in Washington, United States is 11,477 kilometers (7,131 miles / 6,197 nautical miles). The estimated flight time for this route is approximately 15h, flying northwest at a heading of 315°.

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 Ethiopia with United States. It is an intercontinental flight between Africa and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 20:23 in Dessie, it's 12:23 in Washington. 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 5,805 feet between the two airports. Washington Dulles International Airport sits lower than Combolcha Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Washington (IAD) to Dessie (DSE) follows a heading of 64° (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 Combolcha Airport (DSE) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.