It's about one-sixtieth as long as The Danube.
In other words, 651 leas is 0.0167 times the length of The Danube, and the length of The Danube is 59.90 times that amount.(a.k.a. Donau, a.k.a. Dunaj, a.k.a. Dunav, a.k.a. Duna, a.k.a. Дунав (Dunav), a.k.a. Dunărea, a.k.a. Дунáй (Dunay), a.k.a. Tuna) (from Breg Martinskapelle, Black Forest, Germany through the Danube Delta, Romania)
The Danube river runs 39,000 leas in total length. Intersecting Vienna, Austria; Bratislava, Slovakia; Budapest, Hungary; and Belgrade, Serbia, the Danube touches more capital cities than any other river.
It's about 60 times as tall as Gocta Falls.
In other words, 651 leas is 61.80 times the height of Gocta Falls, and the height of Gocta Falls is 0.0162 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 10.50 leas in total height. Although it sits just 574 leas 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-seventy-fifth as long as The Oregon Trail.
In other words, the length of The Oregon Trail is 73.50 times 651 leas.(from Independence, Missouri to Oregon City, Oregon)
The historic Oregon Trail stretched 47,700 leas across five (sometimes six) states in the western United States. In the early years of the Trail's existence, the trip was estimated to have taken an average of 160 days.
It's about one-seventy-fifth as long as The Volga.
In other words, the length of The Volga is 74.10 times 651 leas.(a.k.a. Волга, a.k.a. İdel (Идел), a.k.a. Атăл (Atăl), a.k.a. Edil, a.k.a. İdil, a.k.a. Рав (Rav)) (from the Valdai Hills, Tver Oblast, Russia through the Caspian Sea)
The largest river in Europe, the Volga river runs 48,300 leas in total length. World War II's Battle of Stalingrad between the Nazi Germany and the Soviet Union, which resulted in nearly two million casualties, was fought in part for control of the river.
It's about 80 times as tall as a Canton Tower.
In other words, 651 leas is 78 times the height of a Canton Tower, and the height of a Canton Tower is 0.013 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 8.30 leas 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 one-eightieth as long as The Mississippi River.
In other words, 651 leas is 0.01265 times the length of The Mississippi River, and the length of The Mississippi River is 79.05 times that amount.(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)
The total length of the Mississippi River is 51,480 leas. Prior to the development of soil erosion programs, the Mississippi River would carry approximately 400 million metric tons of sediment from its banks to the Gulf of Mexico every year.
It's about 85 times as tall as The CN Tower.
In other words, 651 leas is 86.064 times the height of The CN Tower, and the height of The CN Tower is 0.011619 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 7.56410 leas 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.