The flight distance from Atar International Airport (ATR) in Atar, Mauritania to Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States is 6,377 kilometers (3,962 miles / 3,443 nautical miles). The estimated flight time for this route is approximately 9h, flying northwest at a heading of 304°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Mauritania with United States. It is an intercontinental flight between Africa and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 07:31 in Atar, it's 02:31 in Washington. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Washington (DCA) to Atar (ATR) follows a heading of 89° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Atar International Airport (ATR) and Ronald Reagan Washington Ntl Airport (DCA) detail pages, or use our flight duration calculator to compare other routes.