6487th tallest in the world (shared with 164 other buildings) 6201st tallest on the Northern Hemisphere (shared with 150 other buildings) 872nd tallest in North America (shared with 26 other buildings) 709th 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 19511133rd most northern skyscraper 6492nd most southern skyscraper 576th most western skyscraper 7049th most eastern skyscraper8th tallest within 1 kilometre 9th tallest within 10 kilometres 9th tallest within 100 kilometres 552nd tallest within 1000 kilometres (14 equally tall buildings in that area) 706th tallest within 2000 kilometres (19 equally tall buildings in that area) 956th 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 521st most floors within 1000 kilometres (24 buildings with same floor number) 663rd most floors within 2000 kilometres (28 buildings with same floor number) 882nd most floors within 5000 kilometres (40 buildings with same floor number)149 metres from the closest taller building