The flight distance from Henry Post Army Air Field (Fort Sill) Airport (FSI) in Fort Sill, United States to Calgary International Airport (YYC) in Calgary, Canada is 2,219 kilometers (1,379 miles / 1,198 nautical miles). The estimated flight time for this route is approximately 4h, flying north northwest at a heading of 330°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:05 in Fort Sill, it's 22:05 in Calgary.

There is a significant elevation difference of 2,369 feet between the two airports. Calgary International Airport sits higher than Henry Post Army Air Field (Fort Sill) Airport.

The return flight from Calgary (YYC) to Fort Sill (FSI) follows a heading of 140° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Henry Post Army Air Field (Fort Sill) Airport (FSI) and Calgary International Airport (YYC) detail pages, or use our flight duration calculator to compare other routes.