15 skyscrapers in a circle of one square kilometre
4918th tallest in the world (shared with 158 other buildings) 4694th tallest on the Northern Hemisphere (shared with 155 other buildings) 679th tallest in North America (shared with 13 other buildings) 548th tallest in the United States (shared with 10 other buildings) 84th tallest in Chicago (shared with 2 other buildings)120th tallest built in 2009 24th tallest built in North America in 2009 20th tallest built in the United States in 2009 8th tallest built in Chicago in 2009520th most northern skyscraper 6810th most southern skyscraper 415th most western skyscraper 6915th most eastern skyscraper36th 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) 201st tallest within 1000 kilometres (3 equally tall buildings in that area) 558th tallest within 2000 kilometres (11 equally tall buildings in that area) 738th tallest within 5000 kilometres (17 equally tall buildings in that area)27th 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) 90th most floors within 1000 kilometres (11 buildings with same floor number) 211th most floors within 2000 kilometres (35 buildings with same floor number) 269th most floors within 5000 kilometres (44 buildings with same floor number)80 metres from the closest taller building