The flight distance from Cape Town International Airport (CPT) in Cape Town, South Africa to Siem Reap Angkor International Airport (SAI) in Siem Reap, Cambodia is 10,438 kilometers (6,486 miles / 5,636 nautical miles). The estimated flight time for this route is approximately 13h, flying east northeast at a heading of 76°.

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 Cambodia. It is an intercontinental flight between Africa and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:59 in Cape Town, it's 09:59 in Siem Reap. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Siem Reap (SAI) to Cape Town (CPT) follows a heading of 236° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Cape Town International Airport (CPT) and Siem Reap Angkor International Airport (SAI) detail pages, or use our flight duration calculator to compare other routes.