19 skyscrapers in a circle of one square kilometre
2942nd tallest in the world (shared with 62 other buildings) 2792nd tallest on the Northern Hemisphere (shared with 62 other buildings) 403rd tallest in North America (shared with 5 other buildings) 341st tallest in the United States (shared with 5 other buildings) 50th tallest in Chicago (shared with 1 other building)19th tallest built in 1991 10th tallest built in North America in 1991 9th tallest built in the United States in 1991 Tallest built in Chicago in 1991418th most northern skyscraper 6159th most southern skyscraper 367th most western skyscraper 6210th most eastern skyscraper17th tallest within 1 kilometre (1 equally tall building in that area) 50th tallest within 10 kilometres (1 equally tall building in that area) 50th tallest within 100 kilometres (1 equally tall building in that area) 115th tallest within 1000 kilometres (2 equally tall buildings in that area) 341st tallest within 2000 kilometres (5 equally tall buildings in that area) 438th tallest within 5000 kilometres (8 equally tall buildings in that area)33rd most floors within 1 kilometre (2 buildings with same floor number) 73rd most floors within 10 kilometres (4 buildings with same floor number) 73rd most floors within 100 kilometres (4 buildings with same floor number) 148th most floors within 1000 kilometres (12 buildings with same floor number) 396th most floors within 2000 kilometres (28 buildings with same floor number) 506th most floors within 5000 kilometres (35 buildings with same floor number)171 metres from the closest taller building