The flight distance from Ocean Reef Club Airport (OCA) in Key Largo, United States to Chicago O'Hare International Airport (ORD) in Chicago, United States is 1,980 kilometers (1,231 miles / 1,069 nautical miles). The estimated flight time for this route is approximately 3h, flying north northwest at a heading of 341°.

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 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 13:56 in Key Largo, it's 12:56 in Chicago.

The return flight from Chicago (ORD) to Key Largo (OCA) follows a heading of 157° (south 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 Ocean Reef Club Airport (OCA) and Chicago O'Hare International Airport (ORD) detail pages, or use our flight duration calculator to compare other routes.