The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Niau Airport (NIU) in Niau, French Polynesia is 9,400 kilometers (5,841 miles / 5,076 nautical miles). The estimated flight time for this route is approximately 12h, flying west southwest at a heading of 244°.

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 French Polynesia. It is an intercontinental flight between North America and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 19:39 in Washington, it's 14:39 in Niau. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Niau (NIU) to Washington (IAD) follows a heading of 47° (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 Niau Airport (NIU) detail pages, or use our flight duration calculator to compare other routes.