15 skyscrapers in a circle of one square kilometre
2363rd tallest in the world (shared with 49 other buildings) 2247th tallest on the Northern Hemisphere (shared with 48 other buildings) 318th tallest in North America (shared with 10 other buildings) 264th tallest in the United States (shared with 8 other buildings) 42nd tallest in Chicago (shared with 1 other building)23rd tallest built in 2001 4th tallest built in North America in 2001 4th tallest built in the United States in 2001 2nd tallest built in Chicago in 2001455th most northern skyscraper 6258th most southern skyscraper 402nd most western skyscraper 6311th most eastern skyscraper15th tallest within 1 kilometre (1 equally tall building in that area) 42nd tallest within 10 kilometres (1 equally tall building in that area) 42nd tallest within 100 kilometres (1 equally tall building in that area) 96th tallest within 1000 kilometres (2 equally tall buildings in that area) 271st tallest within 2000 kilometres (7 equally tall buildings in that area) 348th tallest within 5000 kilometres (12 equally tall buildings in that area)16th most floors within 1 kilometre (2 buildings with same floor number) 31st most floors within 10 kilometres (3 buildings with same floor number) 31st most floors within 100 kilometres (3 buildings with same floor number) 56th most floors within 1000 kilometres (8 buildings with same floor number) 129th most floors within 2000 kilometres (22 buildings with same floor number) 162nd most floors within 5000 kilometres (25 buildings with same floor number)208 metres from the closest taller building