The flight distance from O. R. Tambo International Airport (JNB) in Johannesburg, South Africa to Ust-Kut Airport (UKX) in Ust-Kut, Russia is 11,699 kilometers (7,270 miles / 6,317 nautical miles). The estimated flight time for this route is approximately 15h, flying north northeast at a heading of 34°.

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 Russia. It is an intercontinental flight between Africa and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:10 in Johannesburg, it's 12:10 in Ust-Kut. 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 3,370 feet between the two airports. Ust-Kut 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 Ust-Kut (UKX) to Johannesburg (JNB) follows a heading of 245° (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 Ust-Kut Airport (UKX) detail pages, or use our flight duration calculator to compare other routes.