O'Hare Airport is about 8 times bigger than Central Park.

Central Park is approximately 3.41 km² (1.32 sq mi), while O'Hare Airport is approximately 27 km² (11 sq mi), making O'Hare Airport 703% larger than Central Park.
Tip: This to-scale comparison of Central Park vs. O'Hare Airport uses the Mercator projection, which distorts the size of regions near the poles.
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