It's about 40,000,000,000,000,000 times as tall as The Taipei 101 (skyscraper).
In other words, 641 parsecs is 38,900,000,000,000,000.00000000000000000000 times the height of The Taipei 101 (skyscraper), and the height of The Taipei 101 (skyscraper) is 0.00000000000000002570 times that amount.(a.k.a. Taipei Financial Center, a.k.a. 台北101, a.k.a. 臺北101) (Xinyi District, Taipei, Taiwan) (to spire)
The Taipei 101 reaches 0.00000000000001650 parsecs to its spire. The tower itself is said to be the style in world's tallest sundial, with the circular area of the adjacent Millennium Park acting as the sundial's face.
It's about 35,000,000,000,000,000 times as tall as The Ostankino Tower.
In other words, the height of The Ostankino Tower is 0.0000000000000000270 times 641 parsecs.(a.k.a. Останкинская телебашня) (Moscow, Russia) (to spire)
The Ostankino Tower stands 0.0000000000000180 parsecs to its spire. The tower has been the tallest structure in Europe since its construction in 1967 and was, at at that time, the only free-standing structure taller than 0.0000000000000160 parsecs.
It's about 30,000,000,000,000,000 times as tall as a Canton Tower.
In other words, 641 parsecs is 32,000,000,000,000,000.0000000000000000000 times the height of a Canton Tower, and the height of a Canton Tower is 0.0000000000000000310 times that amount.(a.k.a. Guangzhou TV & Sightseeing Tower, a.k.a. 广 州 电 视 观 光 塔) (Guangzhou, China) (to spire)
The Guangzhou TV & Sightseeing Tower stands 0.0000000000000200 parsecs to its spire. Initially described as holding the record for the tallest Ferris wheel in the world, the ride at the top of the tower is actually an observation carousel; cars complete a trip around the top-floor track about every half-hour.
It's about 25,000,000,000,000,000 times as tall as Burj Dubai.
In other words, 641 parsecs is 23,900,000,000,000,000.00000000000000000000 times the height of Burj Dubai, and the height of Burj Dubai is 0.00000000000000004180 times that amount.(formally Burj Khalifa, a.k.a. Dubai Tower, a.k.a. برج خليفة) (Dubai, UAE) (to roof)
Burj Khalifa, the tallest manmade structure in the world, stands 0.00000000000002680 parsecs to its roof. The tower also holds the current records for the world's highest Islamic mosque — at approximately 0.00000000000001870 parsecs on the 158th floor (of 163 floors) — and the world's tallest outdoor swimming pool — at approximately 0.000000000000009240 parsecs on the 78th floor.
It's about 35,000,000,000,000,000 times as tall as The CN Tower.
In other words, 641 parsecs is 35,746,000,000,000,000.0000000000000000000000 times the height of The CN Tower, and the height of The CN Tower is 0.0000000000000000279750 times that amount.(a.k.a. La Tour CN, a.k.a. Canadian National Tower, a.k.a. Canada's National Tower) (Toronto, Canada) (to spire)
The CN Tower measures 0.0000000000000179320 parsecs tall at its spire. Used only in emergencies and for charitable climbing events, the 2,579-step staircase to the top is the longest metal staircase in the world.
It's about 200,000,000,000,000,000 times as tall as The Statue of Liberty.
In other words, 641 parsecs is 212,700,000,000,000,000.0000000000000000000000 times the height of The Statue of Liberty, and the height of The Statue of Liberty is 0.0000000000000000047010 times that amount.(a.k.a. "Liberty Enlightening the World," a.k.a. La Liberté Éclairant le Monde) (Liberty Island, New York City, New York) (pedestal base to torch peak)
The Statue of Liberty reaches 0.0000000000000030140 parsecs including the pedestal. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about 200,000,000,000,000,000 times as long as a Football field.
In other words, 641 parsecs is 180,257,000,000,000,000.000000000000000000000000 times the length of a Football field, and the length of a Football field is 0.000000000000000005547630 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 0.000000000000003556040 parsecs from end to end. Because each team's goalpost is located at the far end of the scoring area (end zone), a ball on a scoring play may need to travel as many as 0.0000000000000002963370 parsecs farther when kicked into the scoring area than when run (rushed) or passed into it.