The flight distance from Ulanhot Airport (HLH) in Ulanhot, China to O. R. Tambo International Airport (JNB) in Johannesburg, South Africa is 12,345 kilometers (7,671 miles / 6,666 nautical miles). The estimated flight time for this route is approximately 16h, flying west southwest at a heading of 254°.

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 China 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 20:23 in Ulanhot, it's 14:23 in Johannesburg. With a 6-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 5,558 feet between the two airports. O. R. Tambo International Airport sits higher than Ulanhot Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Johannesburg (JNB) to Ulanhot (HLH) follows a heading of 48° (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 Ulanhot Airport (HLH) and O. R. Tambo International Airport (JNB) detail pages, or use our flight duration calculator to compare other routes.