It's about two times as long as The National Mall.
In other words, the length of The National Mall is 0.50 times 66.770 leas.(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 two times as long as The Belmont Stakes.
In other words, 66.770 leas is 2.023333 times the length of The Belmont Stakes, and the length of The Belmont Stakes is 0.4942340 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 two times as long as The Beast (Roller Coaster).
In other words, 66.770 leas is 2.1780 times the length of The Beast (Roller Coaster), and the length of The Beast (Roller Coaster) is 0.45910 times that amount.(King's Island Amusement Park; Mason, OH)
The roller coaster The Beast is 30.660 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 two-fifths as tall as The Challenger Deep (Marianas Trench).
In other words, 66.770 leas is 0.448020 times the height of The Challenger Deep (Marianas Trench), and the height of The Challenger Deep (Marianas Trench) is 2.2320 times that amount.(near Marianas Islands, a.k.a. Ladrones Islands, northwestern Pacific Ocean) (depth below sea level)
The Challenger Deep, at the southern end of the Marianas Trench, reaches a depth of 149.03 leas below sea level. There has been only one manned expedition to the bottom of Challenger Deep — a 1960 voyage that took 4 hours and 48 minutes to reach the bottom.
It's about two-fifths as tall as Maxwell Montes.
In other words, 66.770 leas is 0.440 times the height of Maxwell Montes, and the height of Maxwell Montes is 2.30 times that amount.(Ishtar Terra, Venus)
Maxwell Montes rises to a total height of 150 leas. Since Venus does not seem to have the kind of tectonic activity which gives rise to mountains on Earth, the origin of the Venusian mountain remains the subject of some dispute.
It's about two-and-a-half times as long as The Kentucky Derby.
In other words, 66.770 leas is 2.4280 times the length of The Kentucky Derby, and the length of The Kentucky Derby is 0.4118620 times that amount.(Churchill Downs, Louisville, Kentucky) (total race length)
The total race length of the Kentucky Derby run at Churchill Downs is 27.50 leas. First run in 1864, the Kentucky Derby is one of the oldest continuously-running sporting events in America, almost two years older than the Westminster Kennel Club Dog Show
It's about two-and-a-half times as long as The Preakness Stakes.
In other words, 66.770 leas is 2.5557890 times the length of The Preakness Stakes, and the length of The Preakness Stakes is 0.39126860 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 26.1250 leas. 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.