The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Sirri Island Airport (SXI) in Sirri Island Airport, Iran is 11,254 kilometers (6,993 miles / 6,077 nautical miles). The estimated flight time for this route is approximately 14h, flying northeast at a heading of 43°.

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 Iran. 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 15:13 in Washington, it's 23:43 in Sirri Island Airport. With a 8.5-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Sirri Island Airport (SXI) to Washington (IAD) follows a heading of 324° (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 Sirri Island Airport (SXI) detail pages, or use our flight duration calculator to compare other routes.