It's about as long as The Navy Pier.
(a.k.a. Municipal Pier #2) (Chicago, Illinois)
The Navy Pier is 400 lengths in total length. Originally named Municipal Pier #2, the pier was renamed Navy Pier in 1927 in honor of Naval personnel stationed there during World War I.
It's about as tall as The Three Sisters Falls.
(a.k.a. Cataratas las Tres Hermanas) (Ayacucho, Peru)
The Three Sisters Falls rise to 400 lengths in height. The falls are called Three Sisters after the three large tiers over which the falls flow.
It's about one-and-three-tenths times as tall as Angel Falls.
In other words, 518 lengths is 1.290 times the height of Angel Falls, and the height of Angel Falls is 0.7750 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 401 lengths. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.
It's about one-and-one-third times as tall as Tugela Falls.
In other words, the height of Tugela Falls is 0.7520 times 518 lengths.(Royal Natal National Park, KwaZulu-Natal, South Africa)
Tugela Falls rises to 389 lengths in height. The falls are the highest in Africa and the second highest in the world.
It's about one-and-two-fifths times as tall as Olo'upena Falls.
In other words, 518 lengths is 1.4030 times the height of Olo'upena Falls, and the height of Olo'upena Falls is 0.71280 times that amount.(a.k.a. Oloupena Falls) (Molokai, Hawaii)
Olo'upena Falls rise to 369.10 lengths in height. The isolated falls are the tallest in the United States and the fourth tallest in the world.
It's about two-thirds as long as The Preakness Stakes.
In other words, 518 lengths is 0.6609250 times the length of The Preakness Stakes, and the length of The Preakness Stakes is 1.5130310 times that amount.(Pimlico Race Course, Baltimore, Maryland) (total race length)
The total race length of the Preakness Stakes run at the Pimlico Race Course is 783.750 lengths. Dubbed "the race for the Black-eyed Susans" after Maryland's state flower, the winning horse is actually draped with a garland of painted yellow daisies, as Black-eyed Susans do not bloom in time for the late-May race.
It's about one-and-a-half times as tall as Burj Dubai.
In other words, 518 lengths is 1.530 times the height of Burj Dubai, and the height of Burj Dubai is 0.6540 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 340 lengths to its roof. The tower also holds the current records for the world's highest Islamic mosque — at approximately 237 lengths on the 158th floor (of 163 floors) — and the world's tallest outdoor swimming pool — at approximately 117 lengths on the 78th floor.