The flight distance from San Diego International Airport (SAN) in San Diego, United States to Welkom Airport (WEL) in Welkom, South Africa is 16,525 kilometers (10,268 miles / 8,923 nautical miles). The estimated flight time for this route is approximately 20h, flying east at a heading of 91°.

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

Time zone information: When it's 05:37 in San Diego, it's 14:37 in Welkom. With a 9-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 4,382 feet between the two airports. Welkom Airport sits higher than San Diego International Airport.

The return flight from Welkom (WEL) to San Diego (SAN) follows a heading of 288° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the San Diego International Airport (SAN) and Welkom Airport (WEL) detail pages, or use our flight duration calculator to compare other routes.