It's about 90 times as long as Baseball base distances.
In other words, 12 furlongs is 88 times the length of Baseball base distances, and the length of Baseball base distances is 0.011364 times that amount.(MLB Official Baseball Rules specification)
According to MLB Official Baseball Rules, the distance between baseball diamond bases is 0.136360 furlongs. 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.
It's about 100 times as long as a Cricket Pitch.
In other words, 12 furlongs is 120 times the length of a Cricket Pitch, and the length of a Cricket Pitch is 0.00833333 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 0.10 furlongs. The wickets at either end of the pitch stand 0.0035791 furlongs tall including the bails.
It's about 150 times as long as a Bowling Lane.
In other words, 12 furlongs is 126.02 times the length of a Bowling Lane, and the length of a Bowling Lane is 0.0079352 times that amount.(USBC specifications; tenpin; including pin deck)
According to the United States Bowling Congress specifications, a tenpin bowling lane should measure 0.095224 furlongs. In a Professional Bowling Association game, the lane must be lubricated by about 25 ml (0.85 fl. oz) of oil.
It's about 150 times as tall as The Hollywood Sign.
In other words, the height of The Hollywood Sign is 0.0063 times 12 furlongs.(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 0.075 furlongs tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about 150 times as long as a Semitrailer.
In other words, 12 furlongs is 165 times the length of a Semitrailer, and the length of a Semitrailer is 0.006061 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(DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 0.07273 furlongs (unless superseded by state law).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-two-hundredth as long as The Grand Canyon.
In other words, 12 furlongs is 0.00541 times the length of The Grand Canyon, and the length of The Grand Canyon is 185 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 2,220 furlongs along the course of the Colorado River at its bottom. Having opened in early 2007, the Grand Canyon Skywalk allows tourists to stand on a horseshoe-shaped glass walkway 5.470 furlongs above the floor of Granite Gorge.
It's about 200 times as tall as a Brachiosaurus.
In other words, 12 furlongs is 190 times the height of a Brachiosaurus, and the height of a Brachiosaurus is 0.0053 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 0.065 furlongs. 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.