25 skyscrapers in a circle of one square kilometre
5633rd tallest in the world (shared with 91 other buildings) 5379th tallest on the Northern Hemisphere (shared with 86 other buildings) 825th tallest in North America (shared with 16 other buildings) 675th tallest in the United States (shared with 15 other buildings) 99th tallest in Chicago (shared with 4 other buildings)6th tallest built in 1977 3rd tallest built in North America in 1977 3rd tallest built in the United States in 1977 Tallest built in Chicago in 1977458th most northern skyscraper 6255th most southern skyscraper 363rd most western skyscraper 6350th most eastern skyscraper56th tallest within 1 kilometre (3 equally tall buildings in that area) 99th tallest within 10 kilometres (4 equally tall buildings in that area) 99th tallest within 100 kilometres (4 equally tall buildings in that area) 236th tallest within 1000 kilometres (5 equally tall buildings in that area) 675th tallest within 2000 kilometres (13 equally tall buildings in that area) 905th tallest within 5000 kilometres (17 equally tall buildings in that area)28th most floors within 1 kilometre (3 buildings with same floor number) 41st most floors within 10 kilometres (6 buildings with same floor number) 41st most floors within 100 kilometres (6 buildings with same floor number) 76th most floors within 1000 kilometres (10 buildings with same floor number) 179th most floors within 2000 kilometres (21 buildings with same floor number) 220th most floors within 5000 kilometres (35 buildings with same floor number)115 metres from the closest taller building