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

O'Hare Airport is approximately 27 km² (11 sq mi), while Central Park is approximately 3.41 km² (1.32 sq mi), making Central Park 12.46% the size of O'Hare Airport.
Tip: This to-scale comparison of O'Hare Airport vs. Central Park uses the Mercator projection, which distorts the size of regions near the poles.
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