It's about as tall as The Hollywood Sign.
It's about one-and-one-tenth times as long as a Semitrailer.
In other words, 153.9 hands is 1.069 times the length of a Semitrailer, and the length of a Semitrailer is 0.9355 times that amount.
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 153.9 hands.(based on comparable bone measurements, height to head)
It's about four-fifths as long as a Bowling Lane.
In other words, 153.9 hands is 0.81626 times the length of a Bowling Lane, and the length of a Bowling Lane is 1.2251 times that amount.(USBC specifications; tenpin; including pin deck)
It's about four-fifths as long as a Cricket pitch.
In other words, 153.9 hands is 0.777273 times the length of a Cricket pitch, and the length of a Cricket pitch is 1.28655 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #7)
It's about one-and-two-fifths times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.71 times 153.9 hands.(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, 153.9 hands is 0.57 times the length of Baseball base distances, and the length of Baseball base distances is 1.7544 times that amount.(MLB Official Baseball Rules specification)