It's about three times as long as The Navy Pier.
In other words, the length of The Navy Pier is 0.30 times 12 furlongs.(a.k.a. Municipal Pier #2) (Chicago, Illinois)
The Navy Pier is 4 furlongs 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 three times as tall as The Three Sisters Falls.
In other words, the height of The Three Sisters Falls is 0.30 times 12 furlongs.(a.k.a. Cataratas las Tres Hermanas) (Ayacucho, Peru)
The Three Sisters Falls rise to 4 furlongs in height. The falls are called Three Sisters after the three large tiers over which the falls flow.
It's about three times as tall as Gocta Falls.
In other words, 12 furlongs is 3.130 times the height of Gocta Falls, and the height of Gocta Falls is 0.3190 times that amount.(a.k.a. Gocta Cataracts, a.k.a. Catarata del Gocta) (Amazonas, Peru) (total height)
Gocta Falls, a waterfall on the Cocahuayco River, measures 3.830 furlongs in total height. Although it sits just 209 furlongs from the major city of Chachapoyas, the waterfall was unknown to non-locals until it was documented during a 2005 expedition by a German economist.
It's about one-fourth as tall as Mount Everest.
In other words, 12 furlongs is 0.2730 times the height of Mount Everest, and the height of Mount Everest is 3.660 times that amount.(a.k.a. Mount Chomolungma, a.k.a. सगरमाथा, a.k.a. Chajamlungma, a.k.a. ཇོ་མོ་གླང་མ, a.k.a. 珠穆朗玛峰, a.k.a. Zhūmùlǎngmǎ Fēng) (Sagarmatha Zone, Nepal and Tibet, China) (to summit, excluding snow depth)
Mount Everest is 44 furlongs above sea level at its summit. The plate tectonics of the Indian subcontinent continuously alter the mountain's peak — raising it by 0.00001990 furlongs and shifting it to the northeast by 0.00002240 furlongs each year.
It's about one-fourth as tall as a Mauna Loa.
In other words, 12 furlongs is 0.26330 times the height of a Mauna Loa, and the height of a Mauna Loa is 3.7980 times that amount.(Hawaii) (Hawaiian island volcano) (total height from seafloor)
Mauna Loa, one of the five volcanoes which forms the island of Hawaii and the tallest mountain in total height in the world, rises to 45.730 furlongs above the seafloor. The peak of Loa is home to the approximately 6,000 sq. m (0.6 ha) Lake Waiau, one of the highest altitude lakes in the United States outside of Colorado.
It's about four times as tall as a Canton Tower.
In other words, the height of a Canton Tower is 0.250 times 12 furlongs.(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 3 furlongs 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 four-and-a-half times as tall as The CN Tower.
In other words, 12 furlongs is 4.36270 times the height of The CN Tower, and the height of The CN Tower is 0.229220 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 2.75060 furlongs 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.