It's about one-fiftieth as long as a Football field.
In other words, 0.0023 kilometers is 0.0209609 times the length of a Football field, and the length of a Football field is 47.70790 times that amount.(American) (total distance; per NFL regulation)
According to NFL specifications, an American football field should measure 0.1097280 kilometers from end to end. Because each team's goalpost is located at the far end of the scoring area (end zone), a ball on a scoring play may need to travel as many as 0.009144 kilometers farther when kicked into the scoring area than when run (rushed) or passed into it.
It's about one-fifty-fifth as tall as The Great Pyramid of Giza.
In other words, the height of The Great Pyramid of Giza is 56 times 0.0023 kilometers.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt) (estimated original height)
The Great Pyramid of Giza has an estimated original height (without loss due to erosion) of 0.130 kilometers. The Pyramid was the tallest structure in the world for almost 4,000 years — from its construction ca. 2551 BCE until it was overtaken by the Lincoln Cathedral in Lincoln, England, built in the year 1300.
It's about one-sixty-fifth as tall as The Spring Temple Buddha.
In other words, the height of The Spring Temple Buddha is 66.70 times 0.0023 kilometers.(a.k.a. 中原大佛, a.k.a. 鲁山大佛, a.k.a. 魯山大佛) (Fodushan Scenic Area, Lushan County, Henan, China) (including base)
The tallest statue in the world, the Spring Temple Buddha in Henan, China stands at 0.1530 kilometers tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao
It's about one-seventieth as tall as Blackpool Tower.
In other words, 0.0023 kilometers is 0.0146 times the height of Blackpool Tower, and the height of Blackpool Tower is 68.50 times that amount.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 0.1580 kilometers to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 96 km (60 mi) to the northwest.
It's about one-seventieth as long as The Seventeenth hole of Pebble Beach.
In other words, 0.0023 kilometers is 0.0142 times the length of The Seventeenth hole of Pebble Beach, and the length of The Seventeenth hole of Pebble Beach is 70.40 times that amount.(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)
The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 0.1620 kilometers from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.
It's about one-seventieth as tall as The Singapore Flyer (Ferris wheel).
In other words, 0.0023 kilometers is 0.0139 times the height of The Singapore Flyer (Ferris wheel), and the height of The Singapore Flyer (Ferris wheel) is 71.90 times that amount.(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)
The Singapore Flyer has a height of 0.1650 kilometers. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.
It's about one-seventy-fifth as tall as The Washington Monument.
In other words, 0.0023 kilometers is 0.013586 times the height of The Washington Monument, and the height of The Washington Monument is 73.6050 times that amount.(Washington, D.C.)
The Washington Monument measures 0.169290 kilometers tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.