It's about as tall as a Giraffe.
(Giraffa camelopardalis) (Adult, average)
It's about seven-tenths as long as a London bus.
In other words, 600 centimeters is 0.716 times the length of a London bus, and the length of a London bus is 1.4 times that amount.(Routemaster Double-Decker, RM standard specification)
It's about one-and-a-half times as long as a Beetle (Volkswagen).
In other words, 600 centimeters is 1.471 times the length of a Beetle (Volkswagen), and the length of a Beetle (Volkswagen) is 0.6798 times that amount.(1964 model) (a.k.a. Volkswagen 1200, a.k.a. Käfer)
It's about half as tall as a Telephone Pole.
In other words, 600 centimeters is 0.55 times the height of a Telephone Pole, and the height of a Telephone Pole is 1.8 times that amount.(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 half as tall as a Brachiosaurus.
In other words, 600 centimeters is 0.46 times the height of a Brachiosaurus, and the height of a Brachiosaurus is 2.2 times that amount.(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 1,300 centimeters. 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 two-fifths as long as a Semitrailer.
In other words, 600 centimeters is 0.4101 times the length of a Semitrailer, and the length of a Semitrailer is 2.438 times that amount.
It's about two-fifths as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 2.5 times 600 centimeters.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)