The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Ranau Airport (RNU) in Ranau, Malaysia is 14,819 kilometers (9,208 miles / 8,001 nautical miles). The estimated flight time for this route is approximately 18h, flying north northwest at a heading of 340°.

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 Malaysia. 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 00:24 in Washington, it's 12:24 in Ranau. With a 12-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 1,488 feet between the two airports. Ranau Airport sits higher than Washington Dulles International Airport.

The return flight from Ranau (RNU) to Washington (IAD) follows a heading of 15° (north 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 Washington Dulles International Airport (IAD) and Ranau Airport (RNU) detail pages, or use our flight duration calculator to compare other routes.