The flight distance from Suvarnabhumi Airport (BKK) in Bangkok, Thailand to Welkom Airport (WEL) in Welkom, South Africa is 9,214 kilometers (5,725 miles / 4,975 nautical miles). The estimated flight time for this route is approximately 12h, flying west southwest at a heading of 239°.

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 09:28 in Bangkok, it's 04:28 in Welkom. 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 4,394 feet between the two airports. Welkom Airport sits higher than Suvarnabhumi Airport.

The return flight from Welkom (WEL) to Bangkok (BKK) follows a heading of 70° (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 Welkom Airport (WEL) detail pages, or use our flight duration calculator to compare other routes.