The flight distance from Tancredo Neves International Airport (CNF) in Belo Horizonte, Brazil to Chiang Mai International Airport (CNX) in Chiang Mai, Thailand is 16,129 kilometers (10,022 miles / 8,709 nautical miles). The estimated flight time for this route is approximately 20h, flying east at a heading of 85°.

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 20:13 in Belo Horizonte, it's 06:13 in Chiang Mai. 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 1,679 feet between the two airports. Chiang Mai International Airport sits lower than Tancredo Neves International Airport.

The return flight from Chiang Mai (CNX) to Belo Horizonte (CNF) follows a heading of 262° (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 Tancredo Neves International Airport (CNF) and Chiang Mai International Airport (CNX) detail pages, or use our flight duration calculator to compare other routes.