The flight distance from Jeju International Airport (CJU) in Jeju City, South Korea to O. R. Tambo International Airport (JNB) in Johannesburg, South Africa is 12,289 kilometers (7,636 miles / 6,636 nautical miles). The estimated flight time for this route is approximately 15h, flying west southwest at a heading of 252°.

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 Korea 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 03:17 in Jeju City, it's 20:17 in Johannesburg. 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 5,440 feet between the two airports. O. R. Tambo International Airport sits higher than Jeju International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Johannesburg (JNB) to Jeju City (CJU) follows a heading of 62° (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 Jeju International Airport (CJU) and O. R. Tambo International Airport (JNB) detail pages, or use our flight duration calculator to compare other routes.