The flight distance from Pierre Regional Airport (PIR) in Pierre, United States to King Khaled International Airport (RUH) in Riyadh, Saudi Arabia is 11,606 kilometers (7,211 miles / 6,267 nautical miles). The estimated flight time for this route is approximately 15h, flying north northeast at a heading of 31°.

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 Saudi Arabia. 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 18:54 in Pierre, it's 02:54 in Riyadh. With a 8-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 Riyadh (RUH) to Pierre (PIR) follows a heading of 336° (north 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 Pierre Regional Airport (PIR) and King Khaled International Airport (RUH) detail pages, or use our flight duration calculator to compare other routes.