It's about 0.0000006 times as tall as a Telephone Pole
In other words, 0.0000390 shaftments is 0.000000540 times the height of a Telephone Pole, and the height of a Telephone Pole is 1,900,000 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.
It's about 0.0000005 times as tall as a Brachiosaurus
In other words, 0.0000390 shaftments is 0.000000460 times the height of a Brachiosaurus, and the height of a Brachiosaurus is 2,200,000 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 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 0.0000004 times as long as a Semitrailer
In other words, 0.0000390 shaftments is 0.00000040630 times the length of a Semitrailer, and the length of a Semitrailer is 2,461,000 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(DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 96 shaftments (unless superseded by state law).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 0.0000004 times as tall as The Hollywood Sign
In other words, 0.0000390 shaftments is 0.000000400 times the height of The Hollywood Sign, and the height of The Hollywood Sign is 2,500,000 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 98 shaftments tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about 0.0000003 times as long as a Bowling Lane
In other words, 0.0000390 shaftments is 0.000000310270 times the length of a Bowling Lane, and the length of a Bowling Lane is 3,223,000 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 125.70 shaftments. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about 0.0000003 times as long as a Cricket Pitch
In other words, 0.0000390 shaftments is 0.0000002954550 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 3,384,610 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 132 shaftments. The wickets at either end of the pitch stand 4.724410 shaftments tall including the bails.
It's about 0.0000002 times as long as Baseball base distances
In other words, 0.0000390 shaftments is 0.000000216670 times the length of Baseball base distances, and the length of Baseball base distances is 4,615,300 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 180 shaftments. While second and home base are located upon the corners of the 27.432 sq. m area created by the bases, first and third base are placed within that square, to better allow the umpires to judge whether a ball is fair or foul.