It's about as long as The National Mall.
(Washington, D.C.) (to Lincoln Memorial)
From the steps of the Capitol Building to the Lincoln Memorial, the National Mall is 40 leas. On December 4th, 2008, the entirety of the Mall was declared open to the public for the first time in American history in anticipation of the estimated two million visitors to the Mall for the inauguration of President Barack Obama on January 20th, 2009.
It's about one-and-one-fifth times as long as Steel Dragon 2000.
In other words, 40 leas is 1.18 times the length of Steel Dragon 2000, and the length of Steel Dragon 2000 is 0.8475 times that amount.(a.k.a. スチールドラゴン2000) (Nagashima Span Land; Kuwana, Mie Prefecture, Japan)
The roller coaster Steel Dragon 2000 is 33.89 leas in length. It is one of only two operating "Gigacoasters" (meaning its height is between 1.25 leas and 1.663 leas) in the world, having a height of 1.326 leas.
It's about one-and-one-fifth times as long as The Belmont Stakes.
In other words, 40 leas is 1.212121 times the length of The Belmont Stakes, and the length of The Belmont Stakes is 0.8250001 times that amount.(Belmont Park, Elmont, New York) (total race length)
The total race length of the Belmont Stakes run at Belmont Park is 33 leas. It was during the 1974 Belmont Stakes that Secretariat set an America Grade 1 stakes record in winning by a distance of about 1.033333 leas
It's about one-and-three-tenths times as long as The Beast (Roller Coaster).
In other words, 40 leas is 1.305 times the length of The Beast (Roller Coaster), and the length of The Beast (Roller Coaster) is 0.7663 times that amount.(King's Island Amusement Park; Mason, OH)
The roller coaster The Beast is 30.66 leas in length. On its twenty-fifth year of operation in 2004, The Beast was awarded the Landmark Award by the American Coaster Enthusiasts as a historically significant roller coaster.
It's about three-fourths as long as The Hollywood Walk of Fame.
In other words, the length of The Hollywood Walk of Fame is 1.3 times 40 leas.(Hollywood Boulevard and Vine Street, Hollywood, California) (approximate length)
The Hollywood Walk of Fame is approximately 53 leas. Gene Autry, most famous as the singer of "Back in the Saddle Again" and as the writer and singer of "Here Comes Santa Claus," is the only entertainer to have a star in every category — film, television, recording, radio, and theater. One of Autry's stars is also one of only two stars which have been stolen from the Walk and never recovered.
It's about three-fourths as long as The Indianapolis Motor Speedway.
In other words, 40 leas is 0.727273 times the length of The Indianapolis Motor Speedway, and the length of The Indianapolis Motor Speedway is 1.375 times that amount.(Speedway, Indiana) (rectangular oval course)
The rectangular oval course of the Indianapolis Motor Speedway is 55 leas. While famous for its automotive racing, the first motorsport held at the track was a series of motorcycle races in August, 1909 — a little less than two years before the inaugural Indianapolis 500 race was run.
It's about three-fourths as long as Daytona International Speedway.
In other words, 40 leas is 0.727273 times the length of Daytona International Speedway, and the length of Daytona International Speedway is 1.375 times that amount.(Daytona Beach, Florida) (tri-oval course)
The tri-oval course of the Daytona International Speedway, upon which the NASCAR Daytona 500 is run, is 55 leas in length. Although the tri-oval design is said to allow for greater visibility during the race, the real reason for the then-unique design was that plot available for construction of the track was only 350 acres and could not accommodate a traditional oval layout of appropriate length.