It's about as long as a Bowling Lane.
In other words, the length of a Bowling Lane is 1 times 20.9490 yards.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 20.9490 yards. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about as long as a Cricket Pitch.
In other words, the length of a Cricket Pitch is 1.05017 times 20.9490 yards.(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 22 yards. The wickets at either end of the pitch stand 0.7874020 yards tall including the bails.
It's about one-and-three-tenths times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.770 times 20.9490 yards.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 16 yards tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about one-and-three-tenths times as long as a Semitrailer.
In other words, 20.9490 yards is 1.3090 times the length of a Semitrailer, and the length of a Semitrailer is 0.76390 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Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 16 yards (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about seven-tenths as long as Baseball base distances.
In other words, 20.9490 yards is 0.69830 times the length of Baseball base distances, and the length of Baseball base distances is 1.4320 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 30 yards. While second and home base are located upon the corners of the 27.432 sq. m area created by the bases, first and third base are placed within that square, to better allow the umpires to judge whether a ball is fair or foul.
It's about one-and-a-half times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.670 times 20.9490 yards.(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 14 yards. 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-and-seven-tenths times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.590 times 20.9490 yards.(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 12 yards 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.