The flight distance from O. R. Tambo International Airport (JNB) in Johannesburg, South Africa to London Heathrow Airport (LHR) in London, United Kingdom is 9,074 kilometers (5,638 miles / 4,899 nautical miles). The estimated flight time for this route is approximately 12h, flying north northwest at a heading of 342°.

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 United Kingdom. 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 22:51 in Johannesburg, it's 20:51 in London.

There is a significant elevation difference of 5,475 feet between the two airports. London Heathrow 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 London (LHR) to Johannesburg (JNB) follows a heading of 154° (south southeast). 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 London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.