It's about as tall as a Brachiosaurus.
(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 nine-tenths as long as a Semitrailer.
In other words, 510 inches is 0.8854 times the length of a Semitrailer, and the length of a Semitrailer is 1.129 times that amount.
It's about nine-tenths as tall as The Hollywood Sign.
In other words, 510 inches is 0.86 times the height of The Hollywood Sign, and the height of The Hollywood Sign is 1.2 times that amount.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
It's about one-and-one-fifth times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.83 times 510 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 two-thirds as long as a Bowling Lane.
In other words, 510 inches is 0.67624 times the length of a Bowling Lane, and the length of a Bowling Lane is 1.4788 times that amount.(USBC specifications; tenpin; including pin deck)
It's about one-and-a-half times as long as a London bus.
In other words, 510 inches is 1.55 times the length of a London bus, and the length of a London bus is 0.645 times that amount.(Routemaster Double-Decker, RM standard specification)
It's about two-thirds as long as a Cricket pitch.
In other words, 510 inches is 0.643939 times the length of a Cricket pitch, and the length of a Cricket pitch is 1.55294 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #7)