It's about three-and-a-half times as long as a Woman's Footstep.
In other words, the length of a Woman's Footstep is 0.290 times 0.0023 kilometers.(for healthy, middle-aged woman of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a woman's step is 0.00066 kilometers, for an average stride (two-step's length) of 0.0013 kilometers. The average person walks at a speed of about 1.3 m/s
It's about one-fourth as long as a London bus.
In other words, 0.0023 kilometers is 0.2740 times the length of a London bus, and the length of a London bus is 3.650 times that amount.(Routemaster Double-Decker, RM standard specification)
The Routemaster Double-Decker buses, well-known as icons of London, measure 0.00838 kilometers in length. The buses were said to be well-designed for travel in the London traffic, as they offered an open door for riders to board and exit even while the bus was moving at low speeds, and a full-time conductor to collect fares.
It's about one-fifth as tall as a Telephone Pole.
In other words, 0.0023 kilometers is 0.210 times the height of a Telephone Pole, and the height of a Telephone Pole is 4.80 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)
A standard telephone pole is 0.011 kilometers tall. Despite alternatives, most telephone poles in the US are made of wood — most commonly pine — and have a lifespan of 25 to 50 years, depending on climate and preservatives applied.
It's about one-fifth as tall as a Brachiosaurus.
In other words, 0.0023 kilometers is 0.180 times the height of a Brachiosaurus, and the height of a Brachiosaurus is 5.60 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 0.013 kilometers. 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 six times as tall as a Bowling Pin.
In other words, 0.0023 kilometers is 6.04 times the height of a Bowling Pin, and the height of a Bowling Pin is 0.1660 times that amount.(USBC specifications; tenpin)
According to the United States Bowling Congress specifications, a tenpin bowling pin should be within 0.0000007940 kilometers of 0.000381 kilometers in height. The USBC further mandates that certified pins be made of sugar maple wood, unless otherwise approved by the organization.
It's about one-fifth as long as a Semitrailer.
In other words, 0.0023 kilometers is 0.15720 times the length of a Semitrailer, and the length of a Semitrailer is 6.3610 times that amount.(a.k.a. semi-trailer truck, a.k.a. semi, a.k.a. tractor-trailer, a.k.a. truck and trailer, a.k.a. eighteen-wheeler, a.k.a. big rig, a.k.a. Mack truck, a.k.a. transport, a.k.a. lorry, a.k.a. artic; for box truck; United States Federal length limits)
According to the United States Department of Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 0.01463 kilometers (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about one-tenth as tall as The Hollywood Sign.
In other words, 0.0023 kilometers is 0.150 times the height of The Hollywood Sign, and the height of The Hollywood Sign is 6.70 times that amount.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 0.015 kilometers tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.