25 skyscrapers in a circle of one square kilometre
6159th tallest in the world (shared with 152 other buildings) 5863rd tallest on the Northern Hemisphere (shared with 144 other buildings) 929th tallest in North America (shared with 28 other buildings) 755th tallest in the United States (shared with 22 other buildings) 117th tallest in Chicago (shared with 2 other buildings)17th tallest built in 1987 15th tallest built in North America in 1987 15th tallest built in the United States in 1987 4th tallest built in Chicago in 1987465th most northern skyscraper 6248th most southern skyscraper 333rd most western skyscraper 6380th most eastern skyscraper71st tallest within 1 kilometre (2 equally tall buildings in that area) 116th tallest within 10 kilometres (2 equally tall buildings in that area) 117th tallest within 100 kilometres (2 equally tall buildings in that area) 276th tallest within 1000 kilometres (11 equally tall buildings in that area) 760th tallest within 2000 kilometres (21 equally tall buildings in that area) 1012th tallest within 5000 kilometres (28 equally tall buildings in that area)66th most floors within 1 kilometre (2 buildings with same floor number) 111th most floors within 10 kilometres (2 buildings with same floor number) 112th most floors within 100 kilometres (2 buildings with same floor number) 273rd most floors within 1000 kilometres (5 buildings with same floor number) 738th most floors within 2000 kilometres (17 buildings with same floor number) 968th most floors within 5000 kilometres (25 buildings with same floor number)84 metres from the closest taller building