The flight distance from Cat Bi International Airport (HPH) in Haiphong, Vietnam to King Khaled International Airport (RUH) in Riyadh, Saudi Arabia is 6,117 kilometers (3,801 miles / 3,303 nautical miles). The estimated flight time for this route is approximately 8h, flying west northwest at a heading of 287°.

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 Vietnam with Saudi Arabia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:45 in Haiphong, it's 02:45 in Riyadh. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 2,043 feet between the two airports. King Khaled International Airport sits higher than Cat Bi International Airport.

The return flight from Riyadh (RUH) to Haiphong (HPH) follows a heading of 81° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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