The flight distance from O. R. Tambo International Airport (JNB) in Johannesburg, South Africa to Dong Hoi Airport (VDH) in Dong Hoi, Vietnam is 9,751 kilometers (6,059 miles / 5,265 nautical miles). The estimated flight time for this route is approximately 12h, flying east northeast at a heading of 69°.

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

Time zone information: When it's 13:17 in Johannesburg, it's 18:17 in Dong Hoi. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 5,499 feet between the two airports. Dong Hoi Airport sits lower than O. R. Tambo International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Dong Hoi (VDH) to Johannesburg (JNB) follows a heading of 242° (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 O. R. Tambo International Airport (JNB) and Dong Hoi Airport (VDH) detail pages, or use our flight duration calculator to compare other routes.