The flight distance from Cape Town International Airport (CPT) in Cape Town, South Africa to Roundup Airport (RPX) in Roundup, United States is 15,410 kilometers (9,575 miles / 8,321 nautical miles). The estimated flight time for this route is approximately 19h, flying northwest at a heading of 304°.

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

Time zone information: When it's 20:07 in Cape Town, it's 11:07 in Roundup. 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 3,339 feet between the two airports. Roundup Airport sits higher than Cape Town International Airport.

The return flight from Roundup (RPX) to Cape Town (CPT) follows a heading of 92° (east). 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 Roundup Airport (RPX) detail pages, or use our flight duration calculator to compare other routes.