The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Kalabo Airport (KLB) in Kalabo, Zambia is 11,915 kilometers (7,404 miles / 6,434 nautical miles). The estimated flight time for this route is approximately 15h, flying east at a heading of 96°.

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 Zambia. It is an intercontinental flight between North America and Africa. 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 18:40 in Kalabo. With a 7-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 3,138 feet between the two airports. Kalabo Airport sits higher than Washington Dulles International Airport.

The return flight from Kalabo (KLB) to Washington (IAD) 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 Washington Dulles International Airport (IAD) and Kalabo Airport (KLB) detail pages, or use our flight duration calculator to compare other routes.