It's about one-twenty-fifth as long as The 405
In other words, 2,870 smoots is 0.0419 times the length of The 405, and the length of The 405 is 23.861 times that amount.(a.k.a. I-405, Interstate 405, San DIego Freeway) (Southern California)
Running from Irvine to San Fernando, The 405 runs a total of 68,481 smoots. The 405 is the most heavily-trafficed freeway in the United States, with an average speed as low as 8 kph during rush hours.
It's about one-twenty-fifth as long as Hadrian's Wall
In other words, 2,870 smoots is 0.04 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 24 times that amount.(a.k.a. Roman Wall, a.k.a. The Wall, a.k.a. Vallo di Adriano, a.k.a. Vallum Aelium, a.k.a. Severus' Wall) (from North Tyneside, Tyne and Wear, England, United Kingdom to Cumbria, North West England, United Kingdom)
Hadrian's Wall, which crossed England form the North Sea to the Irish Sea during the time of Roman rule, measures 71,000 smoots (about 79 Roman miles). Roman soldiers — at one time up to 10,000 of them — only occupied Great Britain for about 246 years after the wall was built, after which time the local Brits began to take residence the wall's garrisons.
It's about thirty times as tall as The Space Needle
In other words, 2,870 smoots is 26.5 times the height of The Space Needle, and the height of The Space Needle is 0.038 times that amount.(Seattle, Washington) (to aircraft warning beacon at peak)
Built for a 1962 World's Fair, the Space Needle stands 108 smoots tall. With a track-and-wheel design inspired by railroad mechanics and a precisely-configured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).
It's about thirty times as tall as St. Paul's Cathedral
In other words, 2,870 smoots is 28.1 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 0.036 times that amount.(London, England, United Kingdom)
St. Paul's Cathedral measures 102 smoots to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).
It's about thirty times as tall as The Washington Monument
In other words, 2,870 smoots is 28.851 times the height of The Washington Monument, and the height of The Washington Monument is 0.03466 times that amount.(Washington, D.C.)
The Washington Monument measures 99.4770 smoots tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.
It's about thirty times as tall as The Singapore Flyer (Ferris wheel)
In other words, 2,870 smoots is 29.6 times the height of The Singapore Flyer (Ferris wheel), and the height of The Singapore Flyer (Ferris wheel) is 0.034 times that amount.(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)
The Singapore Flyer has a height of 97 smoots. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.
It's about thirty times as long as The Seventeenth hole of Pebble Beach
In other words, 2,870 smoots is 30.1 times the length of The Seventeenth hole of Pebble Beach, and the length of The Seventeenth hole of Pebble Beach is 0.033 times that amount.(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)
The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 95.20 smoots from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.