It's about two-fifths as tall as The Great Pyramid of Giza
In other words, 55,000 milimeters is 0.420 times the height of The Great Pyramid of Giza, and the height of The Great Pyramid of Giza is 2.40 times that amount.(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 130,000 milimeters. 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 two-fifths as long as The Shambles
In other words, 55,000 milimeters is 0.370 times the length of The Shambles, and the length of The Shambles is 2.70 times that amount.(a.k.a. Maze of Twisting, a.k.a. The Great Flesh Shambles) (York, England, United Kingdom) (approximate)
The Shambles, a historic shopping street in York, stretches about 150,000 milimeters. Several of the buildings along the street are over seven hundred years old.
It's about two-and-a-half times as long as a Cricket Pitch
In other words, 55,000 milimeters is 2.734030 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.365760 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #6)
The length of a cricket pitch, from one bowling crease to the other, is 20,116.80 milimeters. The wickets at either end of the pitch stand 720 mm tall including the bails.
It's about one-third as tall as The Spring Temple Buddha
In other words, 55,000 milimeters is 0.3590 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 2.790 times that amount.(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 153,000 milimeters 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 three times as long as a Bowling Lane
In other words, 55,000 milimeters is 2.87120 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.348290 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 19,156 milimeters. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about one-third as tall as Blackpool Tower
In other words, 55,000 milimeters is 0.3480 times the height of Blackpool Tower, and the height of Blackpool Tower is 2.870 times that amount.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 158,000 milimeters to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 96,000,000 milimeters to the northwest.
It's about one-third as long as The Seventeenth hole of Pebble Beach
In other words, the length of The Seventeenth hole of Pebble Beach is 2.940 times 55,000 milimeters.(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 162,000 milimeters 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.