It's about three-and-a-half times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.290 times 28.20 fathoms.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 8.20 fathoms tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about three-and-a-half times as long as a Semitrailer.
In other words, 28.20 fathoms is 3.5250 times the length of a Semitrailer, and the length of a Semitrailer is 0.28370 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Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 8 fathoms (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about three-tenths as tall as The Space Needle.
In other words, 28.20 fathoms is 0.280 times the height of The Space Needle, and the height of The Space Needle is 3.570 times that amount.(Seattle, Washington) (to aircraft warning beacon at peak)
Built for a 1962 World's Fair, the Space Needle stands 101 fathoms 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 four times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.250 times 28.20 fathoms.(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 7.10 fathoms. 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 one-fourth as tall as The Golden Gate Bridge.
In other words, 28.20 fathoms is 0.2270 times the height of The Golden Gate Bridge, and the height of The Golden Gate Bridge is 4.410 times that amount.(San Francisco, California and Marin County, California) (height above water)
The height of each tower of Golden Gate Bridge is 124 fathoms 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 Telephone Pole.
In other words, the height of a Telephone Pole is 0.210 times 28.20 fathoms.(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 6 fathoms 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, 28.20 fathoms is 0.1750 times the length of The QE2, and the length of The QE2 is 5.710 times that amount.(a.k.a. RMS Queen Elizabeth 2) The QE2 has a total length of 161 fathoms. During its voyaging lifetime from 1969 through 2008, it travelled more than 5,250,000,000 fathoms, the furthest cumulative distance by any ship in modern history.