10 skyscrapers in a circle of one square kilometre
4386th tallest in the world (shared with 110 other buildings) 4187th tallest on the Northern Hemisphere (shared with 106 other buildings) 633rd tallest in North America (shared with 20 other buildings) 515th tallest in the United States (shared with 18 other buildings) 80th tallest in Chicago (shared with 3 other buildings)15th tallest built in 1988 9th tallest built in North America in 1988 7th tallest built in the United States in 1988 Tallest built in Chicago in 1988488th most northern skyscraper 6225th most southern skyscraper 409th most western skyscraper 6304th most eastern skyscraper21st tallest within 1 kilometre (2 equally tall buildings in that area) 80th tallest within 10 kilometres (3 equally tall buildings in that area) 80th tallest within 100 kilometres (3 equally tall buildings in that area) 185th tallest within 1000 kilometres (9 equally tall buildings in that area) 519th tallest within 2000 kilometres (19 equally tall buildings in that area) 689th tallest within 5000 kilometres (21 equally tall buildings in that area)18th most floors within 1 kilometre (1 building with same floor number) 48th most floors within 10 kilometres (3 buildings with same floor number) 48th most floors within 100 kilometres (3 buildings with same floor number) 87th most floors within 1000 kilometres (11 buildings with same floor number) 201st most floors within 2000 kilometres (34 buildings with same floor number) 256th most floors within 5000 kilometres (43 buildings with same floor number)125 metres from the closest taller building