19 skyscrapers in a circle of one square kilometre
3325th tallest in the world (shared with 78 other buildings) 3164th tallest on the Northern Hemisphere (shared with 78 other buildings) 434th tallest in North America (shared with 5 other buildings) 360th tallest in the United States (shared with 5 other buildings) 51st tallest in Chicago (shared with 1 other building)19th tallest built in 1991 10th tallest built in North America in 1991 9th tallest built in the United States in 1991 Tallest built in Chicago in 1991513th most northern skyscraper 7006th most southern skyscraper 384th most western skyscraper 7135th most eastern skyscraper17th tallest within 1 kilometre (1 equally tall building in that area) 51st tallest within 10 kilometres (1 equally tall building in that area) 51st tallest within 100 kilometres (1 equally tall building in that area) 124th tallest within 1000 kilometres (2 equally tall buildings in that area) 368th tallest within 2000 kilometres (5 equally tall buildings in that area) 470th tallest within 5000 kilometres (8 equally tall buildings in that area)33rd most floors within 1 kilometre (2 buildings with same floor number) 74th most floors within 10 kilometres (4 buildings with same floor number) 74th most floors within 100 kilometres (4 buildings with same floor number) 155th most floors within 1000 kilometres (16 buildings with same floor number) 422nd most floors within 2000 kilometres (32 buildings with same floor number) 543rd most floors within 5000 kilometres (39 buildings with same floor number)171 metres from the closest taller building
