It's about 450 times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.0022 times 45,000 shaftments.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 98 shaftments tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about 450 times as long as a Semitrailer.
In other words, 45,000 shaftments is 468.80 times the length of a Semitrailer, and the length of a Semitrailer is 0.002133 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(DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 96 shaftments (unless superseded by state law).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-five-hundredth as long as The Oregon Trail.
In other words, 45,000 shaftments is 0.00197 times the length of The Oregon Trail, and the length of The Oregon Trail is 508 times that amount.(from Independence, Missouri to Oregon City, Oregon)
The historic Oregon Trail stretched 22,900,000 shaftments across five (sometimes six) states in the western United States. In the early years of the Trail's existence, the trip was estimated to have taken an average of 160 days.
It's about one-five-hundredth as long as The Volga.
In other words, 45,000 shaftments is 0.00194 times the length of The Volga, and the length of The Volga is 515 times that amount.(a.k.a. Волга, a.k.a. İdel (Идел), a.k.a. Атăл (Atăl), a.k.a. Edil, a.k.a. İdil, a.k.a. Рав (Rav)) (from the Valdai Hills, Tver Oblast, Russia through the Caspian Sea)
The largest river in Europe, the Volga river runs 23,200,000 shaftments in total length. World War II's Battle of Stalingrad between the Nazi Germany and the Soviet Union, which resulted in nearly two million casualties, was fought in part for control of the river.
It's about 550 times as tall as a Brachiosaurus.
In other words, the height of a Brachiosaurus is 0.0019 times 45,000 shaftments.(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 85 shaftments. 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 one-five-hundred-fiftieth as long as The Mississippi River.
In other words, 45,000 shaftments is 0.001821 times the length of The Mississippi River, and the length of The Mississippi River is 549.10 times that amount.(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)
The total length of the Mississippi River is 24,710,000 shaftments. Prior to the development of soil erosion programs, the Mississippi River would carry approximately 400 million metric tons of sediment from its banks to the Gulf of Mexico every year.
It's about 600 times as tall as a Telephone Pole.
In other words, 45,000 shaftments is 620 times the height of a Telephone Pole, and the height of a Telephone Pole is 0.0016 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 72 shaftments 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.