6325th tallest in the world (shared with 160 other buildings) 6042nd tallest on the Northern Hemisphere (shared with 146 other buildings) 868th tallest in North America (shared with 26 other buildings) 706th tallest in the United States (shared with 19 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 19511125th most northern skyscraper 6285th most southern skyscraper 575th most western skyscraper 6835th most eastern skyscraper8th tallest within 1 kilometre 9th tallest within 10 kilometres 9th tallest within 100 kilometres 548th tallest within 1000 kilometres (14 equally tall buildings in that area) 702nd tallest within 2000 kilometres (19 equally tall buildings in that area) 952nd tallest within 5000 kilometres (27 equally tall buildings in that area)5th most floors within 1 kilometre 6th most floors within 10 kilometres 6th most floors within 100 kilometres 517th most floors within 1000 kilometres (24 buildings with same floor number) 658th most floors within 2000 kilometres (28 buildings with same floor number) 877th most floors within 5000 kilometres (40 buildings with same floor number)149 metres from the closest taller building