The flight distance from Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States to Ban Huoeisay Airport (OUI) in Ban Huoeisay Airport, Laos is 13,437 kilometers (8,349 miles / 7,255 nautical miles). The estimated flight time for this route is approximately 17h, flying north at a heading of 3°.

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 Laos. 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 17:41 in Washington, it's 04:41 in Ban Huoeisay Airport. With a 11-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 1,366 feet between the two airports. Ban Huoeisay Airport sits higher than Ronald Reagan Washington Ntl Airport.

The return flight from Ban Huoeisay Airport (OUI) to Washington (DCA) follows a heading of 358° (north). 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 Ban Huoeisay Airport (OUI) detail pages, or use our flight duration calculator to compare other routes.