The flight distance from Cascais Airport (CAT) in Cascais Airport, Portugal to New Chitose Airport (CTS) in Chitose / Tomakomai, Japan is 10,493 kilometers (6,520 miles / 5,666 nautical miles). The estimated flight time for this route is approximately 13h, flying north northeast at a heading of 21°.

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 Portugal with Japan. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 09:55 in Cascais Airport, it's 18:55 in Chitose / Tomakomai. With a 9-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 Chitose / Tomakomai (CTS) to Cascais Airport (CAT) follows a heading of 338° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Cascais Airport (CAT) and New Chitose Airport (CTS) detail pages, or use our flight duration calculator to compare other routes.