The flight distance from Cassilandia Airport (CSS) in Cassilandia, Brazil to Chek Lap Kok International Airport (HKG) in Hong Kong, Hong Kong is 18,479 kilometers (11,482 miles / 9,978 nautical miles). The estimated flight time for this route is approximately 23h, flying east northeast at a heading of 74°.

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 Hong Kong. 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 17:40 in Cassilandia, it's 05:40 in Hong Kong. With a 12-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 1,540 feet between the two airports. Chek Lap Kok International Airport sits lower than Cassilandia Airport.

The return flight from Hong Kong (HKG) to Cassilandia (CSS) follows a heading of 281° (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 Cassilandia Airport (CSS) and Chek Lap Kok International Airport (HKG) detail pages, or use our flight duration calculator to compare other routes.