The flight distance from Chiang Rai International Airport (CEI) in Chiang Rai, Thailand to Afonso Pena Airport (CWB) in Curitiba, Brazil is 16,790 kilometers (10,433 miles / 9,066 nautical miles). The estimated flight time for this route is approximately 21h, flying west southwest at a heading of 253°.

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 Thailand with Brazil. It is an intercontinental flight between Asia and South America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 16:56 in Chiang Rai, it's 06:56 in Curitiba. 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 1,708 feet between the two airports. Afonso Pena Airport sits higher than Chiang Rai International Airport.

The return flight from Curitiba (CWB) to Chiang Rai (CEI) follows a heading of 95° (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 Chiang Rai International Airport (CEI) and Afonso Pena Airport (CWB) detail pages, or use our flight duration calculator to compare other routes.