The flight distance from Bulgan Sum Airport (HBU) in Bulgan Sum Airport, Mongolia to O. R. Tambo International Airport (JNB) in Johannesburg, South Africa is 10,250 kilometers (6,369 miles / 5,534 nautical miles). The estimated flight time for this route is approximately 13h, flying southwest at a heading of 233°.

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

Time zone information: When it's 19:15 in Bulgan Sum Airport, it's 14:15 in Johannesburg. 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 1,637 feet between the two airports. O. R. Tambo International Airport sits higher than Bulgan Sum Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Johannesburg (JNB) to Bulgan Sum Airport (HBU) follows a heading of 38° (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 Bulgan Sum Airport (HBU) and O. R. Tambo International Airport (JNB) detail pages, or use our flight duration calculator to compare other routes.