20 skyscrapers in a circle of one square kilometre
3894th tallest in the world (shared with 99 other buildings) 3718th tallest on the Northern Hemisphere (shared with 96 other buildings) 510th tallest in North America (shared with 20 other buildings) 417th tallest in the United States (shared with 17 other buildings) 59th tallest in Chicago (shared with 3 other buildings)93rd tallest built in 2009 (shared with 4 other buildings) 18th tallest built in North America in 2009 16th tallest built in the United States in 2009 7th tallest built in Chicago in 2009508th most northern skyscraper 7119th most southern skyscraper 374th most western skyscraper 7253rd most eastern skyscraper18th tallest within 1 kilometre 59th tallest within 10 kilometres (3 equally tall buildings in that area) 59th tallest within 100 kilometres (3 equally tall buildings in that area) 145th tallest within 1000 kilometres (7 equally tall buildings in that area) 424th tallest within 2000 kilometres (19 equally tall buildings in that area) 555th tallest within 5000 kilometres (23 equally tall buildings in that area)21st most floors within 1 kilometre (1 building with same floor number) 57th most floors within 10 kilometres (1 building with same floor number) 57th most floors within 100 kilometres (1 building with same floor number) 111th most floors within 1000 kilometres (4 buildings with same floor number) 276th most floors within 2000 kilometres (22 buildings with same floor number) 355th most floors within 5000 kilometres (32 buildings with same floor number)90 metres from the closest taller building