The flight distance from Athen Helenikon Airport (HEW) in Athens, Greece to Calgary International Airport (YYC) in Calgary, Canada is 9,297 kilometers (5,777 miles / 5,020 nautical miles). The estimated flight time for this route is approximately 12h, flying north northwest at a heading of 335°.

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

Time zone information: When it's 17:45 in Athens, it's 08:45 in Calgary. 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.

There is a significant elevation difference of 3,488 feet between the two airports. Calgary International Airport sits higher than Athen Helenikon Airport.

The return flight from Calgary (YYC) to Athens (HEW) follows a heading of 32° (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 Athen Helenikon Airport (HEW) and Calgary International Airport (YYC) detail pages, or use our flight duration calculator to compare other routes.