23 skyscrapers in a circle of one square kilometre
327th tallest in the world (shared with 12 other buildings) 319th tallest on the Northern Hemisphere (shared with 11 other buildings) 41st tallest in North America (shared with 1 other building) 39th tallest in the United States 8th tallest in Chicago4th tallest built in 1990 3rd tallest built in North America in 1990 3rd tallest built in the United States in 1990 2nd tallest built in Chicago in 1990487th most northern skyscraper 6226th most southern skyscraper 388th most western skyscraper 6325th most eastern skyscraper4th tallest within 1 kilometre 8th tallest within 10 kilometres 8th tallest within 100 kilometres 9th tallest within 1000 kilometres 36th tallest within 2000 kilometres 43rd tallest within 5000 kilometres (1 equally tall building in that area)8th most floors within 1 kilometre (1 building with same floor number) 18th most floors within 10 kilometres (1 building with same floor number) 18th most floors within 100 kilometres (1 building with same floor number) 32nd most floors within 1000 kilometres (2 buildings with same floor number) 72nd most floors within 2000 kilometres (7 buildings with same floor number) 88th most floors within 5000 kilometres (9 buildings with same floor number)96 metres from the closest taller building