FlyChicago.com offers a terminal map of O'Hare International Airport online in both interactive and printable formats. WorldAirportGuides.com also offers online terminal maps of the airport.
To view the terminal map of O'Hare International Airport on FlyChicago.com, scroll down the menu in the left side of the screen and click Full Terminal Map (Side One, Side Two) under Printable Terminal Maps. The map shows the five terminals with gate numbers and passenger services such as security checkpoints, baggage claim areas and shops. The site also offers a set of separate maps of each terminal for download and printing. To use the interactive terminal map, click a terminal on the overview map and select an item from the menu under O'Hare Destinations to view its location on the map.
To use the interactive map on WorldAiportGuides.com, click a terminal number to view a map showing gate numbers and airport services.