The flight distance from O. R. Tambo International Airport (JNB) in Johannesburg, South Africa to Williams Harbour Airport (YWM) in Williams Harbour, Canada is 11,901 kilometers (7,395 miles / 6,426 nautical miles). The estimated flight time for this route is approximately 15h, flying northwest at a heading of 321°.

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

Time zone information: When it's 10:37 in Johannesburg, it's 06:07 in Williams Harbour. The 4.5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 5,488 feet between the two airports. Williams Harbour 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 Williams Harbour (YWM) to Johannesburg (JNB) follows a heading of 111° (east 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 Williams Harbour Airport (YWM) detail pages, or use our flight duration calculator to compare other routes.