The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Prefeito Doutor Joao Silva Filho Airport (PHB) in Parnaiba, Brazil is 5,916 kilometers (3,676 miles / 3,194 nautical miles). The estimated flight time for this route is approximately 8h, flying southeast at a heading of 133°.

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

Time zone information: When it's 13:21 in Washington, it's 15:21 in Parnaiba.

The return flight from Parnaiba (PHB) to Washington (IAD) follows a heading of 325° (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 Washington Dulles International Airport (IAD) and Prefeito Doutor Joao Silva Filho Airport (PHB) detail pages, or use our flight duration calculator to compare other routes.