29 skyscrapers in a circle of one square kilometre
1533rd tallest in the world (shared with 30 other buildings) 1452nd tallest on the Northern Hemisphere (shared with 28 other buildings) 224th tallest in North America (shared with 3 other buildings) 192nd tallest in the United States (shared with 2 other buildings) 29th tallest in Chicago7th tallest built in 1972 7th tallest built in North America in 1972 7th tallest built in the United States in 1972 Tallest built in Chicago in 1972445th most northern skyscraper 6144th most southern skyscraper 349th most western skyscraper 6240th most eastern skyscraper18th tallest within 1 kilometre 29th tallest within 10 kilometres 29th tallest within 100 kilometres 63rd tallest within 1000 kilometres 187th tallest within 2000 kilometres (2 equally tall buildings in that area) 244th tallest within 5000 kilometres (3 equally tall buildings in that area)33rd most floors within 1 kilometre (2 buildings with same floor number) 57th most floors within 10 kilometres (4 buildings with same floor number) 58th most floors within 100 kilometres (4 buildings with same floor number) 109th most floors within 1000 kilometres (14 buildings with same floor number) 278th most floors within 2000 kilometres (38 buildings with same floor number) 359th most floors within 5000 kilometres (52 buildings with same floor number)101 metres from the closest taller building