The flight distance from Mercedes Airport (MDX) in Mercedes, Argentina to King Khaled International Airport (RUH) in Riyadh, Saudi Arabia is 12,685 kilometers (7,882 miles / 6,849 nautical miles). The estimated flight time for this route is approximately 16h, flying east northeast at a heading of 74°.

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 Argentina with Saudi Arabia. It is an intercontinental flight between South America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 10:43 in Mercedes, it's 16:43 in Riyadh. With a 6-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 1,691 feet between the two airports. King Khaled International Airport sits higher than Mercedes Airport.

The return flight from Riyadh (RUH) to Mercedes (MDX) follows a heading of 248° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Mercedes Airport (MDX) and King Khaled International Airport (RUH) detail pages, or use our flight duration calculator to compare other routes.