5725th tallest in the world (shared with 144 other buildings) 5466th tallest on the Northern Hemisphere (shared with 130 other buildings) 842nd tallest in North America (shared with 25 other buildings) 691st tallest in the United States (shared with 18 other buildings) 9th tallest in Pittsburgh Tallest built in 1951 Tallest built in North America in 1951 Tallest built in the United States in 1951 Tallest built in Pittsburgh in 19511036th most northern skyscraper 5677th most southern skyscraper 557th most western skyscraper 6156th most eastern skyscraper8th tallest within 1 kilometre 9th tallest within 10 kilometres 9th tallest within 100 kilometres 534th tallest within 1000 kilometres (13 equally tall buildings in that area) 682nd tallest within 2000 kilometres (18 equally tall buildings in that area) 923rd tallest within 5000 kilometres (26 equally tall buildings in that area)5th most floors within 1 kilometre 6th most floors within 10 kilometres 6th most floors within 100 kilometres 503rd most floors within 1000 kilometres (24 buildings with same floor number) 637th most floors within 2000 kilometres (28 buildings with same floor number) 846th most floors within 5000 kilometres (40 buildings with same floor number)149 metres from the closest taller building