The flight distance from Calgary International Airport (YYC) in Calgary, Canada to Osmany International Airport (ZYL) in Sylhet, Bangladesh is 11,184 kilometers (6,949 miles / 6,039 nautical miles). The estimated flight time for this route is approximately 14h, flying north northwest at a heading of 336°.

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 Canada with Bangladesh. 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 07:35 in Calgary, it's 20:35 in Sylhet. With a 13-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 3,507 feet between the two airports. Osmany International Airport sits lower than Calgary International Airport.

The return flight from Sylhet (ZYL) to Calgary (YYC) follows a heading of 16° (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 Calgary International Airport (YYC) and Osmany International Airport (ZYL) detail pages, or use our flight duration calculator to compare other routes.