The flight distance from Presidente Juscelino Kubistschek International Airport (BSB) in Brasilia, Brazil to Angkor International Airport (REP) in Siem Reap, Cambodia is 16,964 kilometers (10,541 miles / 9,160 nautical miles). The estimated flight time for this route is approximately 21h, 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 Brazil with Cambodia. It is an intercontinental flight between South America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 05:23 in Brasilia, it's 15:23 in Siem Reap. 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 3,437 feet between the two airports. Angkor International Airport sits lower than Presidente Juscelino Kubistschek International Airport.

The return flight from Siem Reap (REP) to Brasilia (BSB) follows a heading of 261° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Presidente Juscelino Kubistschek International Airport (BSB) and Angkor International Airport (REP) detail pages, or use our flight duration calculator to compare other routes.