The flight distance from Chicago O'Hare International Airport (ORD) in Chicago, United States to St Marys Municipal Airport (STQ) in St Marys, United States is 783 kilometers (487 miles / 423 nautical miles). The estimated flight time for this route is approximately 2h, flying east at a heading of 91°.

This is a short-haul route typically served by narrow-body aircraft such as the Boeing 737 or Airbus A320 family. In-flight service is usually limited to drinks and light snacks.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 03:19 in Chicago, it's 04:19 in St Marys.

There is a significant elevation difference of 1,254 feet between the two airports. St Marys Municipal Airport sits higher than Chicago O'Hare International Airport.

The return flight from St Marys (STQ) to Chicago (ORD) follows a heading of 278° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Chicago O'Hare International Airport (ORD) and St Marys Municipal Airport (STQ) detail pages, or use our flight duration calculator to compare other routes.