The flight distance from Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States to Osvaldo Vieira International Airport (OXB) in Bissau, Guinea-Bissau is 6,715 kilometers (4,172 miles / 3,626 nautical miles). The estimated flight time for this route is approximately 9h, flying east at a heading of 99°.

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 United States with Guinea-Bissau. It is an intercontinental flight between North America and Africa. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 05:56 in Washington, it's 10:56 in Bissau. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Bissau (OXB) to Washington (DCA) follows a heading of 308° (northwest). 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 Osvaldo Vieira International Airport (OXB) detail pages, or use our flight duration calculator to compare other routes.