The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Sila Airport (SIL) in Sila Mission, Papua New Guinea is 14,382 kilometers (8,936 miles / 7,766 nautical miles). The estimated flight time for this route is approximately 18h, flying west northwest at a heading of 294°.

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 Papua New Guinea. It is an intercontinental flight between North America and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 15:07 in Washington, it's 06:07 in Sila Mission. With a 15-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 1,918 feet between the two airports. Sila Airport sits higher than Washington Dulles International Airport.

The return flight from Sila Mission (SIL) to Washington (IAD) follows a heading of 46° (northeast). 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 Sila Airport (SIL) detail pages, or use our flight duration calculator to compare other routes.