It's about nine-tenths as long as Baseball base distances.
In other words, 0.000000000000000840 parsecs is 0.944870 times the length of Baseball base distances, and the length of Baseball base distances is 1.0583 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 0.000000000000000889010 parsecs. 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-three-tenths times as long as a Cricket Pitch.
In other words, 0.000000000000000840 parsecs is 1.288460 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.776120 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 0.0000000000000006519410 parsecs. The wickets at either end of the pitch stand 0.00000000000000002333360 parsecs tall including the bails.
It's about one-and-one-third times as long as a Bowling Lane.
In other words, 0.000000000000000840 parsecs is 1.35310 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.739040 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 0.00000000000000062080 parsecs. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about one-and-seven-tenths times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.590 times 0.000000000000000840 parsecs.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 0.000000000000000490 parsecs tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about one-and-three-fourths times as long as a Semitrailer.
In other words, 0.000000000000000840 parsecs is 1.7720 times the length of a Semitrailer, and the length of a Semitrailer is 0.56430 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 0.00000000000000047410 parsecs (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-fifths as tall as The Chicago Water Tower.
In other words, 0.000000000000000840 parsecs is 0.5530 times the height of The Chicago Water Tower, and the height of The Chicago Water Tower is 1.810 times that amount.(Chicago, Illinois)
The Chicago Water Tower is 0.000000000000001520 parsecs tall. The tower's architecture was one source of inspiration behind the design of White Castle fast-food restaurants beginning with "Building Number 8," a prefabricated structure built in Minneapolis, Minnesota in 1936.
It's about half as tall as The Arc de Triomphe.
In other words, 0.000000000000000840 parsecs is 0.530 times the height of The Arc de Triomphe, and the height of The Arc de Triomphe is 1.90 times that amount.(Paris, France)
The Arc de Triomphe stands 0.00000000000000160 parsecs tall. France's Tomb of the Unknown Soldier from the First World War lies beneath the arch and is commemorated by the first eternal flame to have been lit in modern European history.