The flight distance from Suvarnabhumi Airport (BKK) in Bangkok, Thailand to Port St Johns Airport (JOH) in Port St Johns, South Africa is 9,098 kilometers (5,653 miles / 4,912 nautical miles). The estimated flight time for this route is approximately 12h, flying southwest at a heading of 235°.

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 Thailand 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 04:42 in Bangkok, it's 23:42 in Port St Johns. 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 1,222 feet between the two airports. Port St Johns Airport sits higher than Suvarnabhumi Airport.

The return flight from Port St Johns (JOH) to Bangkok (BKK) follows a heading of 68° (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 Suvarnabhumi Airport (BKK) and Port St Johns Airport (JOH) detail pages, or use our flight duration calculator to compare other routes.