It's about as long as I-80.
(a.k.a. Interstate 80, a.k.a. Keystone Shortway) (net length)
Interstate 80, crosses the continent of North America from Teaneck, New Jersey to San Francisco, California and covers a total length of 81,155,400 nails. A 1,049,870 nails stretch between mile marker 318 in Grand Island, Nebraska and mile marker 390 in Lincoln, Nebraska is the longest straight path in the US Interstate system.
It's about one-and-one-tenth times as long as The Distance from L.A. to New York.
In other words, 81,155,400 nails is 1.03 times the length of The Distance from L.A. to New York, and the length of The Distance from L.A. to New York is 0.9710 times that amount.(Los Angeles, California to New York City, New York) (via I-10 E, I-15 N, I-70 E, I-76 E, I-80 E, I-280 E)
The total length of the freeway route from Los Angeles, California to New York City, New York via Interstate 80 is 78,600,000 nails long. This route intersects eleven states and several major cities, including Las Vegas, Nevada; Denver, Colorado; Lincoln, Nebraska; Omaha, Nebraska; Des Moines, Iowa; South Bend, Indiana; and Cleveland, Ohio.
It's about one-and-one-fourth times as long as The Mississippi River.
In other words, 81,155,400 nails is 1.2320 times the length of The Mississippi River, and the length of The Mississippi River is 0.81170 times that amount.(from Lake Itasca, Minnesota through Pilottown, Plaquemines Parish, Louisiana)
The total length of the Mississippi River is 65,900,000 nails. 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 one-and-three-tenths times as long as The Volga.
In other words, 81,155,400 nails is 1.310 times the length of The Volga, and the length of The Volga is 0.7630 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 61,800,000 nails 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 one-and-one-third times as long as The Oregon Trail.
In other words, the length of The Oregon Trail is 0.7520 times 81,155,400 nails.(from Independence, Missouri to Oregon City, Oregon)
The historic Oregon Trail stretched 61,100,000 nails 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 three-fourths as long as The Great Wall of China (wall only).
In other words, 81,155,400 nails is 0.7410 times the length of The Great Wall of China (wall only), and the length of The Great Wall of China (wall only) is 1.350 times that amount.(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) (wall segments only)
The Great Wall of China has total wall segment length of 109,500 nails. 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 seven-tenths as long as The Amazon River.
In other words, 81,155,400 nails is 0.72050 times the length of The Amazon River, and the length of The Amazon River is 1.3880 times that amount.(from Nevado Mismi, Arequipa, Peru through near Marajó, Brazil) (approximate distance)
The Amazon River has an approximate distance of 112,600,000 nails. 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.