It's about one-sixtieth as long as The Indianapolis Motor Speedway
In other words, 68,500 milimeters is 0.0170256 times the length of The Indianapolis Motor Speedway, and the length of The Indianapolis Motor Speedway is 58.73510 times that amount.(Speedway, Indiana) (rectangular oval course)
The rectangular oval course of the Indianapolis Motor Speedway is 4,023,360 milimeters. 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 one-sixtieth as long as Daytona International Speedway
In other words, 68,500 milimeters is 0.0170256 times the length of Daytona International Speedway, and the length of Daytona International Speedway is 58.73510 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 4,023,360 milimeters 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 60 times as tall as Kenny Baker
In other words, 68,500 milimeters is 62 times the height of Kenny Baker, and the height of Kenny Baker is 0.016 times that amount.(a.k.a. Kenneth George Baker) (1934-) (actor)
Kenny Baker, most famous for his role as R2-D2 in the Star Wars film franchise, is an LP with a height of 1,100 milimeters. Baker and his wife, Eileen, both made brief appearances as the small, woodland creatures known as Ewoks in the 1984 Star Wars movie, Star Wars: Return of the Jedi (a.k.a. Star Wars Episode VI: Return of the Jedi).
It's about one-seventieth as tall as a Puncak Jaya
In other words, 68,500 milimeters is 0.01403 times the height of a Puncak Jaya, and the height of a Puncak Jaya is 71.280 times that amount.(a.k.a. Mt. Carstensz, a.k.a. Carstensz Pyramid, a.k.a. Nemangkawi, a.k.a. Carstensz Toppen, a.k.a. Gunung Sukarno) (Papua province, Indonesia)
The highest point in Oceania (and therefore one of the seven summits) peak of Puncak Jaya is 4,884,000 milimeters. Dutch explorer Jan Carstenszoon, the mountain's namesake, is said to have been ridiculed for claiming to have seen snow near the equator when he reported his discovery of the peak in 1623.
It's about one-seventieth as tall as a Vinson Massif
In other words, the height of a Vinson Massif is 71.430 times 68,500 milimeters.(a.k.a. Mount Vinson) (Antarctica)
Mount Vinson, the highest peak of the Vinson Massif mountain, reaches 4,892,000 milimeters at its peak. The mountain is named after Georgia Congressman Carl Vinson who emphatically promoted Antarctic exploration in the 1930s.
It's about 75 times as tall as General Tom Thumb
In other words, the height of General Tom Thumb is 0.013 times 68,500 milimeters.(a.k.a. Charles Sherwood Stratton) (1838-1883) (circus performer; height at death)
General Tom Thumb was an LP with a height (at his death) of 910 milimeters. Thumb stopped growing at 640 milimeters when he was five years old, but resumed growth in his teens which continued through the remainder of his life.
It's about one-eightieth as tall as Mount Elbrus
In other words, 68,500 milimeters is 0.01214 times the height of Mount Elbrus, and the height of Mount Elbrus is 82.370 times that amount.(a.k.a. Mingi Tau, a.k.a. Эльбрус, a.k.a. იალბუზი) (Karachay-Cherkessia and Kabardino-Balkaria, Russia) (west summit)
The west summit of the dual-summit volcano Mount Elbrus is 5,642,000 milimeters at its peak and is the highest peak in both Russia and the European continent. Until 1976, a cable car would take visitors to the mountain as far up as the Garabashi camp, located at an elevation of 3,800,000 milimeters.