It's about one-and-one-tenth times as long as a Semitrailer.
In other words, 633.2 inches is 1.099 times the length of a Semitrailer, and the length of a Semitrailer is 0.9099 times that amount.
It's about one-and-one-tenth times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.91 times 633.2 inches.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
It's about four-fifths as long as a Bowling Lane.
In other words, 633.2 inches is 0.83959 times the length of a Bowling Lane, and the length of a Bowling Lane is 1.1911 times that amount.(USBC specifications; tenpin; including pin deck)
It's about one-and-one-fifth times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.83 times 633.2 inches.(based on comparable bone measurements, height to head)
Dinosaurs in the genus Brachiosaurus had an estimated height (at the head with neck fully extended) of up to 510 inches. A resin cast of the first Brachiosaurus specimen, owned by the Field Museum in Chicago, is currently on display at the O'Hare International Airport.
It's about four-fifths as long as a Cricket pitch.
In other words, 633.2 inches is 0.799495 times the length of a Cricket pitch, and the length of a Cricket pitch is 1.25079 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #7)
It's about one-and-a-half times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.67 times 633.2 inches.(a.k.a. Utility Pole, a.k.a Power Pole, a.k.a. Telegraph Pole, a.k.a. Telegraph Post, a.k.a. Hydro Pole) (exposed height; per Florida Public Service Commission average)
It's about three-fifths as long as Baseball base distances.
In other words, 633.2 inches is 0.5863 times the length of Baseball base distances, and the length of Baseball base distances is 1.7056 times that amount.(MLB Official Baseball Rules specification)