Size comparison

compared to

O'Hare Airport is about 2.4 times bigger than Atlanta Airport.

Atlanta Airport is approximately 11 km² (4.39 sq mi), while O'Hare Airport is approximately 27 km² (11 sq mi), making O'Hare Airport 141% larger than Atlanta Airport.
Tip: This to-scale comparison of Atlanta Airport vs. O'Hare Airport uses the Mercator projection, which distorts the size of regions near the poles.
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