It's about one-ten-thousandth as long as The Amazon River.
In other words, 581 yards is 0.000082530 times the length of The Amazon River, and the length of The Amazon River is 12,120 times that amount.(from Nevado Mismi, Arequipa, Peru through near Marajó, Brazil) (approximate distance)
The Amazon River has an approximate distance of 7,040,000 yards. Although by most measures it is the largest and one of the most significant rivers in the world, the region surrounding the Amazon is mostly sparsely populated and the river itself has no bridges across it at any point.
It's about one-fifteen-thousandth as long as The Great Wall of China (total).
In other words, the length of The Great Wall of China (total) is 16,700 times 581 yards.(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (total length, all branches)
The Great Wall of China, including all branches and trenches, is 9,680,000 yards. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.
It's about one-twenty-five-thousandth as long as The Diameter of Earth.
In other words, 581 yards is 0.0000416474620 times the length of The Diameter of Earth, and the length of The Diameter of Earth is 24,011.067 times that amount.(Equatorial)
The Earth â€” not a perfect sphere, but rather an oblate spheroid with bulged middle â€” has a diameter of approximately 13,950,430 yards at the Equator. The first complete view of Earth's diameter was in a photograph taken from a V-2 rocket launched in 1942 by the United States Army, which reached an altitude of 114,400 yards.
It's about 40,000 times as long as an Aspirin.
In other words, 581 yards is 38,000 times the length of an Aspirin, and the length of an Aspirin is 0.0000260 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 0.015 yards 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 one-seventy-five-thousandth as long as The Circumfrence of Earth.
In other words, 581 yards is 0.0000132567990 times the length of The Circumfrence of Earth, and the length of The Circumfrence of Earth is 75,432.9910 times that amount.(Equatorial)
The Earth — not a perfect sphere, but rather an oblate spheroid with bulged middle — has an Equatorial circumference of approximately 43,826,568 yards. The first airplane trip around the circumference of the Earth (with a few stops along the way), was completed in 1924 by the United States Army Air Service, and took 175 days.
It's about 300,000 times as long as a Strand of Spaghetti (thickness).
In other words, 581 yards is 310,000 times the length of a Strand of Spaghetti (thickness), and the length of a Strand of Spaghetti (thickness) is 0.00000320 times that amount.(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 0.0019 yards 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 450,000 times as long as a Grain of Sand.
In other words, 581 yards is 425,000 times the length of a Grain of Sand, and the length of a Grain of Sand is 0.000002350 times that amount.(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 0.00137 yards. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 16.50 yards in height.