The flight distance from Cancun International Airport (CUN) in Cancun, Mexico to Polonia International Airport (KNO) in Medan-Sumatra Island, Indonesia is 17,214 kilometers (10,696 miles / 9,295 nautical miles). The estimated flight time for this route is approximately 21h, flying north northwest at a heading of 347°.

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

Time zone information: When it's 08:35 in Cancun, it's 20:35 in Medan-Sumatra Island. 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.

The return flight from Medan-Sumatra Island (KNO) to Cancun (CUN) follows a heading of 12° (north northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Cancun International Airport (CUN) and Polonia International Airport (KNO) detail pages, or use our flight duration calculator to compare other routes.