It's about 100,000 times as tall as Nelson's Column
In other words, 0.00000000020860 parsecs is 124,600 times the height of Nelson's Column, and the height of Nelson's Column is 0.000008026 times that amount.(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)
Nelson's Column measures 0.0000000000000016740 parsecs from the first step of the pedestal's base to the top of the statue's hat. While the London tower is the tallest, there are at least eight other monuments to Admiral Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronté throughout England, Scotland, Ireland, Canada, and Barbados.
It's about 150,000 times as tall as The Arc de Triomphe
In other words, 0.00000000020860 parsecs is 130,000 times the height of The Arc de Triomphe, and the height of The Arc de Triomphe is 0.0000077 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.
It's about 150,000 times as tall as The Chicago Water Tower
In other words, 0.00000000020860 parsecs is 137,000 times the height of The Chicago Water Tower, and the height of The Chicago Water Tower is 0.0000073 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 150,000 times as long as Ha'Penny Bridge
In other words, 0.00000000020860 parsecs is 150,000 times the length of Ha'Penny Bridge, and the length of Ha'Penny Bridge is 0.00000667 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 250,000 times as long as Baseball base distances
In other words, 0.00000000020860 parsecs is 234,640 times the length of Baseball base distances, and the length of Baseball base distances is 0.0000042618 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 300,000 times as long as a Cricket Pitch
In other words, 0.00000000020860 parsecs is 319,968 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.00000312531 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 350,000 times as long as a Bowling Lane
In other words, 0.00000000020860 parsecs is 336,020 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.000002976 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.