If Height of the `One World Trade Center` skyscraper in New York City (541 m) was a standard unit ...
Height of Olympus Mons (Mars) (21.9 km)...more would be 40 x Height of the `One World Trade Center` skyscraper in New York City
Depth of Marianas Trench (10.99 km)...more would be 20 x Height of the `One World Trade Center` skyscraper in New York City
Height of Mons Huygens (highest point on the moon) (5.5 km)...more would be 10 x Height of the `One World Trade Center` skyscraper in New York City
Height of Ben Nevis, highest point in British Isles (1.344 km)...more would be 2.5 x Height of the `One World Trade Center` skyscraper in New York City
Height of Table Moutain, Cape Town (1.085 km)...more would be 2 x Height of the `One World Trade Center` skyscraper in New York City
Height of St Peter's Basilica in Rome (136.6 m)...more would be 1/4 of Height of the `One World Trade Center` skyscraper in New York City
Height of the London Eye Ferris Wheel (135 m)...more would be 1/4 of Height of the `One World Trade Center` skyscraper in New York City
Height of Sydney Harbour Bridge (134 m)...more would be 1/4 of Height of the `One World Trade Center` skyscraper in New York City
Height of the Victoria Falls (Mosi-oa-Tunya) between Zambia and Zimbabwe (108 m)...more would be 1/5 of Height of the `One World Trade Center` skyscraper in New York City
Height of an ostrich (2.7 m)...more would be 1/200 of Height of the `One World Trade Center` skyscraper in New York City
Height of the R2-D2 droid in the Star Wars movies (1.09 m)...more would be 1/500 of Height of the `One World Trade Center` skyscraper in New York City
Height of an Olympic hurdle (1.067 m)...more would be 1/500 of Height of the `One World Trade Center` skyscraper in New York City
Maximum length of a baseball bat (1.067 m)...more would be 1/500 of Height of the `One World Trade Center` skyscraper in New York City
