It's about 250,000 times as long as a Woman's Footstep.
In other words, the length of a Woman's Footstep is 0.00000400 times 813 furlongs.(for healthy, middle-aged woman of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a woman's step is 0.0033 furlongs, for an average stride (two-step's length) of 0.0066 furlongs. The average person walks at a speed of about 1.3 m/s
It's about 450,000 times as tall as a Bowling Pin.
In other words, 813 furlongs is 429,000 times the height of a Bowling Pin, and the height of a Bowling Pin is 0.000002330 times that amount.(USBC specifications; tenpin)
According to the United States Bowling Congress specifications, a tenpin bowling pin should be within 0.000003950 furlongs of 0.00189 furlongs in height. The USBC further mandates that certified pins be made of sugar maple wood, unless otherwise approved by the organization.
It's about 3,000,000 times as tall as a Golf Tee.
In other words, the height of a Golf Tee is 0.000000330 times 813 furlongs.The most common golf tee size and the length preferred for iron and most wood clubs is 0.00027 furlongs tall. The tee did not come into common use until it was promoted by professional golfers Walter Hagen and Joe Kirkwood, as part of a marketing effort by the patent-holder of the well-known, "Reddy Tee."
It's about 10,000,000 times as long as an Aspirin.
In other words, 813 furlongs is 12,000,000 times the length of an Aspirin, and the length of an Aspirin is 0.0000000830 times that amount.(for up & up aspirin, 325mg, regular strength tablets) (a.k.a. acetylsalicylic acid, a.k.a. ASA)
A single aspirin tablet measures 0.0000700 furlongs in diameter. One of the most common medicines in the world and a foundation of worldwide health systems, an estimated 40,000 metric tons of aspirin are consumed each year.
It's about 95,000,000 times as long as a Strand of Spaghetti (thickness).
In other words, the length of a Strand of Spaghetti (thickness) is 0.00000001000 times 813 furlongs.(average; restaurant and supermarket applications) (based on FMA Omcan Italian Made TR50 Counter Top Pasta Machine Extruder 13317)
An average strand of restaurant-grade spaghetti measures 0.00000850 furlongs in thickness. In 2010, a California Buca di Beppo set a world record by preparing a 13,780-lb bowl of spaghetti, served in a swimming pool.
It's about 150,000,000 times as long as a Grain of Sand.
In other words, 813 furlongs is 131,000,000 times the length of a Grain of Sand, and the length of a Grain of Sand is 0.000000007630 times that amount.(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 0.000006210 furlongs. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 0.0751 furlongs in height.
It's about 1,500,000,000 times as long as a Strand of Hair.