The flight distance from O. R. Tambo International Airport (JNB) in Johannesburg, South Africa to Saint John Airport (YSJ) in Saint John, Canada is 12,344 kilometers (7,670 miles / 6,665 nautical miles). The estimated flight time for this route is approximately 16h, flying northwest at a heading of 311°.

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 23:41 in Johannesburg, it's 18:41 in Saint John. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 5,201 feet between the two airports. Saint John 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 Saint John (YSJ) to Johannesburg (JNB) follows a heading of 106° (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 Saint John Airport (YSJ) detail pages, or use our flight duration calculator to compare other routes.