It's about 40 times as long as The Indianapolis Motor Speedway.
In other words, 813 furlongs is 40.65 times the length of The Indianapolis Motor Speedway, and the length of The Indianapolis Motor Speedway is 0.0246002 times that amount.(Speedway, Indiana) (rectangular oval course)
The rectangular oval course of the Indianapolis Motor Speedway is 20 furlongs. 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 40 times as long as Daytona International Speedway.
In other words, 813 furlongs is 40.65 times the length of Daytona International Speedway, and the length of Daytona International Speedway is 0.0246002 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 20 furlongs 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.
It's about 40 times as long as The Hollywood Walk of Fame.
In other words, 813 furlongs is 42 times the length of The Hollywood Walk of Fame, and the length of The Hollywood Walk of Fame is 0.024 times that amount.(Hollywood Boulevard and Vine Street, Hollywood, California) (approximate length)
The Hollywood Walk of Fame is approximately 19 furlongs. 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 50 times as long as The National Mall.
In other words, the length of The National Mall is 0.02 times 813 furlongs.(Washington, D.C.) (to Lincoln Memorial)
From the steps of the Capitol Building to the Lincoln Memorial, the National Mall is 10 furlongs. 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-fifty-fifth as long as The Great Wall of China (total).
In other words, the length of The Great Wall of China (total) is 54.1 times 813 furlongs.(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (total length, all branches)
The Great Wall of China, including all branches and trenches, is 44,000 furlongs. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.
It's about 65 times as long as Steel Dragon 2000.
In other words, 813 furlongs is 65.97 times the length of Steel Dragon 2000, and the length of Steel Dragon 2000 is 0.01516 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 12.32 furlongs in length. It is one of only two operating "Gigacoasters" (meaning its height is between 0.4545 furlongs and 0.6045 furlongs) in the world, having a height of 0.4822 furlongs.
It's about 70 times as long as The Belmont Stakes.
In other words, 813 furlongs is 67.75 times the length of The Belmont Stakes, and the length of The Belmont Stakes is 0.01476015 times that amount.(Belmont Park, Elmont, New York) (total race length)
The total race length of the Belmont Stakes run at Belmont Park is 12 furlongs. It was during the 1974 Belmont Stakes that Secretariat set an America Grade 1 stakes record in winning by a distance of about 0.3757576 furlongs