39 skyscrapers in a circle of one square kilometre
987th tallest in the world (shared with 14 other buildings) 946th tallest on the Northern Hemisphere (shared with 14 other buildings) 134th tallest in North America (shared with 1 other building) 115th tallest in the United States 22nd tallest in Chicago Tallest built in 1981 Tallest built in North America in 1981 Tallest built in the United States in 1981 Tallest built in Chicago in 1981583rd most northern skyscraper 6936th most southern skyscraper 347th most western skyscraper 7172nd most eastern skyscraper13th tallest within 1 kilometre 22nd tallest within 10 kilometres 22nd tallest within 100 kilometres 43rd tallest within 1000 kilometres (1 equally tall building in that area) 115th tallest within 2000 kilometres (1 equally tall building in that area) 142nd tallest within 5000 kilometres (2 equally tall buildings in that area)17th most floors within 1 kilometre (2 buildings with same floor number) 35th most floors within 10 kilometres (5 buildings with same floor number) 35th most floors within 100 kilometres (5 buildings with same floor number) 68th most floors within 1000 kilometres (10 buildings with same floor number) 164th most floors within 2000 kilometres (26 buildings with same floor number) 203rd most floors within 5000 kilometres (31 buildings with same floor number)85 metres from the closest taller building
