38 skyscrapers in a circle of one square kilometre
4497th tallest in the world (shared with 140 other buildings) 4294th tallest on the Northern Hemisphere (shared with 137 other buildings) 654th tallest in North America (shared with 13 other buildings) 534th tallest in the United States (shared with 10 other buildings) 84th tallest in Chicago (shared with 2 other buildings)11th tallest built in 1975 9th tallest built in North America in 1975 8th tallest built in the United States in 1975 2nd tallest built in Chicago in 1975508th most northern skyscraper 6205th most southern skyscraper 322nd most western skyscraper 6391st most eastern skyscraper47th tallest within 1 kilometre (1 equally tall building in that area) 84th tallest within 10 kilometres (2 equally tall buildings in that area) 84th tallest within 100 kilometres (2 equally tall buildings in that area) 195th tallest within 1000 kilometres (3 equally tall buildings in that area) 539th tallest within 2000 kilometres (11 equally tall buildings in that area) 711th tallest within 5000 kilometres (17 equally tall buildings in that area)41st most floors within 1 kilometre (3 buildings with same floor number) 92nd most floors within 10 kilometres (3 buildings with same floor number) 93rd most floors within 100 kilometres (3 buildings with same floor number) 210th most floors within 1000 kilometres (12 buildings with same floor number) 551st most floors within 2000 kilometres (37 buildings with same floor number) 718th most floors within 5000 kilometres (47 buildings with same floor number)143 metres from the closest taller building