The flight distance from Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States to Lien Khuong Airport (DLI) in Dalat, Vietnam is 14,361 kilometers (8,923 miles / 7,754 nautical miles). The estimated flight time for this route is approximately 18h, flying north at a heading of 353°.

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 Vietnam. 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 12:21 in Washington, it's 00:21 in Dalat. 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 3,142 feet between the two airports. Lien Khuong Airport sits higher than Ronald Reagan Washington Ntl Airport.

The return flight from Dalat (DLI) to Washington (DCA) follows a heading of 5° (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 Lien Khuong Airport (DLI) detail pages, or use our flight duration calculator to compare other routes.