It's about nine-tenths as long as Baseball base distances
In other words, 0.000000000000000840 parsecs is 0.94487 times the length of Baseball base distances, and the length of Baseball base distances is 1.058 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 1.28846 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.77612 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 1.3531 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.73904 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 three-fifths as long as Ha'Penny Bridge
In other words, 0.000000000000000840 parsecs is 0.604 times the length of Ha'Penny Bridge, and the length of Ha'Penny Bridge is 1.66 times that amount.(a.k.a. Droichead na Leathphingine, a.k.a. Liffey Bridge, a.k.a. Droichead na Life, f.k.a. Wellington Bridge) (Quay of Bachelors Walk, Temple Bar Neighborhood, Dublin, Ireland)
The Ha'Penny Bridge, crossing the River Liffey in Dublin, measures 0.000000000000001390 parsecs in total length. Over 30,000 pedestrians cross the breach each day.
It's about one-and-seven-tenths times as tall as The Hollywood Sign
In other words, 0.000000000000000840 parsecs is 1.7 times the height of The Hollywood Sign, and the height of The Hollywood Sign is 0.59 times that amount.(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 1.772 times the length of a Semitrailer, and the length of a Semitrailer is 0.5643 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 0.553 times the height of The Chicago Water Tower, and the height of The Chicago Water Tower is 1.81 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.