It's about 250 times as long as Steel Dragon 2000.
In other words, 668 kilometers is 269.50 times the length of Steel Dragon 2000, and the length of Steel Dragon 2000 is 0.003711 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 2.4790 kilometers in length. It is one of only two operating "Gigacoasters" (meaning its height is between 0.09144 kilometers and 0.12160 kilometers) in the world, having a height of 0.097 kilometers.
It's about 300 times as long as The Belmont Stakes.
In other words, 668 kilometers is 276.71730 times the length of The Belmont Stakes, and the length of The Belmont Stakes is 0.003613796 times that amount.(Belmont Park, Elmont, New York) (total race length)
The total race length of the Belmont Stakes run at Belmont Park is 2.4140160 kilometers. It was during the 1974 Belmont Stakes that Secretariat set an America Grade 1 stakes record in winning by a distance of about 0.0755904 kilometers
It's about 300 times as long as The Beast (Roller Coaster).
In other words, 668 kilometers is 297.80 times the length of The Beast (Roller Coaster), and the length of The Beast (Roller Coaster) is 0.003358 times that amount.(King's Island Amusement Park; Mason, OH)
The roller coaster The Beast is 2.2430 kilometers 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 350 times as long as The Kentucky Derby.
In other words, 668 kilometers is 332.061 times the length of The Kentucky Derby, and the length of The Kentucky Derby is 0.00301149 times that amount.(Churchill Downs, Louisville, Kentucky) (total race length)
The total race length of the Kentucky Derby run at Churchill Downs is 2.01168 kilometers. 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 350 times as long as The Preakness Stakes.
In other words, 668 kilometers is 349.53760 times the length of The Preakness Stakes, and the length of The Preakness Stakes is 0.002860923 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 1.9110960 kilometers. 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.
It's about one-six-hundredth as long as The Distance from Earth to the Moon.
In other words, 668 kilometers is 0.001737608 times the length of The Distance from Earth to the Moon, and the length of The Distance from Earth to the Moon is 575.50380 times that amount.(a.k.a. Luna) (median of semi-major axis, or apigee, and semi-minor axes, or perigee)
The orbit of the Moon around the Earth is elliptical, with an average distance of 384,436.5 km from center-to-center. About 428.376 kg of moon rock have been cataloged on the Earth, from the American Apollo and Soviet Luna Programs, and from samples that have been extracted from meteorites.
It's about 700 times as tall as Angel Falls.
In other words, 668 kilometers is 682 times the height of Angel Falls, and the height of Angel Falls is 0.00147 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 0.9790 kilometers. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.