The flight distance from Galeao - Antonio Carlos Jobim International Airport (GIG) in Rio De Janeiro, Brazil to Angkor International Airport (REP) in Siem Reap, Cambodia is 16,390 kilometers (10,184 miles / 8,850 nautical miles). The estimated flight time for this route is approximately 20h, flying east at a heading of 101°.

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 07:58 in Rio De Janeiro, it's 17:58 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.

The return flight from Siem Reap (REP) to Rio De Janeiro (GIG) follows a heading of 248° (west 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 Galeao - Antonio Carlos Jobim International Airport (GIG) and Angkor International Airport (REP) detail pages, or use our flight duration calculator to compare other routes.