It's about three-tenths as tall as The Space Needle.
In other words, 551 hands is 0.3040 times the height of The Space Needle, and the height of The Space Needle is 3.290 times that amount.(Seattle, Washington) (to aircraft warning beacon at peak)
Built for a 1962 World's Fair, the Space Needle stands 1,810 hands tall. With a track-and-wheel design inspired by railroad mechanics and a precisely-configured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).
It's about three-and-a-half times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.270 times 551 hands.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 150 hands tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about four times as long as a Semitrailer.
In other words, 551 hands is 3.8260 times the length of a Semitrailer, and the length of a Semitrailer is 0.26140 times that amount.(a.k.a. semi-trailer truck, a.k.a. semi, a.k.a. tractor-trailer, a.k.a. truck and trailer, a.k.a. eighteen-wheeler, a.k.a. big rig, a.k.a. Mack truck, a.k.a. transport, a.k.a. lorry, a.k.a. artic; for box truck; United States Federal length limits)
According to the United States Department of Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 144 hands (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about one-fourth as tall as The Golden Gate Bridge.
In other words, 551 hands is 0.2470 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 4.05 times that amount.(San Francisco, California and Marin County, California) (height above water)
The height of each tower of Golden Gate Bridge is 2,230 hands above the surface of the San Francisco Bay. One of the key designers of the bridge, Charles Ellis, had no engineering degree when he began working on the project, but would later go on to write what became a standard textbook on structural engineering, and would ultimately be forced to complete his calculations on the bridge by working without pay for five months.
It's about four-and-a-half times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.230 times 551 hands.(based on comparable bone measurements, height to head)
Dinosaurs in the genus Brachiosaurus had an estimated height (at the head with neck fully extended) of up to 130 hands. A resin cast of the first Brachiosaurus specimen, owned by the Field Museum in Chicago, is currently on display at the O'Hare International Airport.
It's about five times as tall as a Telephone Pole.
In other words, 551 hands is 5.10 times the height of a Telephone Pole, and the height of a Telephone Pole is 0.20 times that amount.(a.k.a. Utility Pole, a.k.a Power Pole, a.k.a. Telegraph Pole, a.k.a. Telegraph Post, a.k.a. Hydro Pole) (exposed height; per Florida Public Service Commission average)
A standard telephone pole is 110 hands tall. Despite alternatives, most telephone poles in the US are made of wood — most commonly pine — and have a lifespan of 25 to 50 years, depending on climate and preservatives applied.
It's about one-fifth as long as The QE2.
In other words, 551 hands is 0.190 times the length of The QE2, and the length of The QE2 is 5.260 times that amount.(a.k.a. RMS Queen Elizabeth 2) The QE2 has a total length of 2,890 hands. During its voyaging lifetime from 1969 through 2008, it travelled more than 94,500,000,000 hands, the furthest cumulative distance by any ship in modern history.