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Is 530 ells as long as The Willis Tower?

It's about one-and-one-fifth times as tall as The Willis Tower
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The height of The Willis Tower is about 455 ells.
(a.k.a. Sears Tower) (Chicago, Illinois) (to antenna peak)
The Willis Tower rises to about 455 ells to the top of its tallest antenna. The bathrooms on the 103rd floor are said to be the highest in the western hemisphere at about 360 ells.
There's more! See other comparisons to 530 ells...