The flight distance from King Khaled International Airport (RUH) in Riyadh, Saudi Arabia to Union Island International Airport (UNI) in Union Island, Saint Vincent is 11,180 kilometers (6,947 miles / 6,037 nautical miles). The estimated flight time for this route is approximately 14h, flying west northwest at a heading of 289°.

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

Time zone information: When it's 02:44 in Riyadh, it's 19:44 in Union Island. With a 7-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 2,033 feet between the two airports. Union Island International Airport sits lower than King Khaled International Airport.

The return flight from Union Island (UNI) to Riyadh (RUH) follows a heading of 61° (east 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 King Khaled International Airport (RUH) and Union Island International Airport (UNI) detail pages, or use our flight duration calculator to compare other routes.