The flight distance from Galeao - Antonio Carlos Jobim International Airport (GIG) in Rio De Janeiro, Brazil to Samui Airport (USM) in Na Thon (Ko Samui Island), Thailand is 15,844 kilometers (9,845 miles / 8,555 nautical miles). The estimated flight time for this route is approximately 20h, flying east southeast at a heading of 105°.

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 Thailand. 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 04:37 in Rio De Janeiro, it's 14:37 in Na Thon (Ko Samui Island). 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 Na Thon (Ko Samui Island) (USM) to Rio De Janeiro (GIG) follows a heading of 245° (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 Samui Airport (USM) detail pages, or use our flight duration calculator to compare other routes.