The flight distance from St. Mary's Airport (ISC) in St. Mary's, United Kingdom to King Khaled International Airport (RUH) in Riyadh, Saudi Arabia is 5,293 kilometers (3,289 miles / 2,858 nautical miles). The estimated flight time for this route is approximately 7h, flying east southeast at a heading of 101°.

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

Time zone information: When it's 17:29 in St. Mary's, it's 20:29 in Riyadh. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,933 feet between the two airports. King Khaled International Airport sits higher than St. Mary's Airport.

The return flight from Riyadh (RUH) to St. Mary's (ISC) follows a heading of 316° (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 St. Mary's Airport (ISC) and King Khaled International Airport (RUH) detail pages, or use our flight duration calculator to compare other routes.