The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Secunda Airport (ZEC) in Secunda, South Africa is 17,079 kilometers (10,613 miles / 9,222 nautical miles). The estimated flight time for this route is approximately 21h, flying east northeast at a heading of 73°.

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 04:40 in San Francisco, it's 14:40 in Secunda. With a 10-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 5,237 feet between the two airports. Secunda Airport sits higher than San Francisco International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Secunda (ZEC) to San Francisco (SFO) follows a heading of 302° (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 Francisco International Airport (SFO) and Secunda Airport (ZEC) detail pages, or use our flight duration calculator to compare other routes.