Size comparison

compared to

District of Columbia is about 6 times bigger than O'Hare Airport.

O'Hare Airport is approximately 27 km² (11 sq mi), while District of Columbia is approximately 177 sq km, making District of Columbia 546% larger than O'Hare Airport.
Tip: This to-scale comparison of O'Hare Airport vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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