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How long is 855 spans?

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It's about one-four-hundred-fiftieth as long as The Panama Canal
In other words, 855 spans is 0.002 times the length of The Panama Canal, and the length of The Panama Canal is 450 times that amount.
(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 380,000 spans in length. Ships passing through the Canal are raised (and then lowered) 110 spans above sea level through the lock-and-dam system.
It's about 500 times as tall as a Bowling Pin
In other words, 855 spans is 513 times the height of a Bowling Pin, and the height of a Bowling Pin is 0.0020 times that amount.
(USBC specifications; tenpin)
According to the United States Bowling Congress specifications, a tenpin bowling pin should be within 0.00347 spans of 1.670 spans in height. The USBC further mandates that certified pins be made of sugar maple wood, unless otherwise approved by the organization.
It's about one-five-hundred-fiftieth as wide as The English Channel
In other words, 855 spans is 0.0018 times the width of The English Channel, and the width of The English Channel is 546 times that amount.
(average width between Isle of Ushant and The Walde Lighthouse) (La Manche, Ärmelkanal, Mor Breizh, Mor Bretannek) (a.k.a. The Channel)
The English Channel measures between 468,000 spans, narrowing as it flows northeast. The world speed record for a Channel crossing by swimmer was set by Australian Trent Grimsey in 2012, with a time of 6 hours, 55 minutes.
It's about one-six-hundredth as long as The 405
In other words, 855 spans is 0.001677 times the length of The 405, and the length of The 405 is 596.27 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 509,800 spans. 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-six-hundred-fiftieth as long as Hadrian's Wall
In other words, 855 spans is 0.002 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 630 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 520,000 spans (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 one-two-thousand-five-hundredth as long as The Grand Canyon
In other words, 855 spans is 0.00044 times the length of The Grand Canyon, and the length of The Grand Canyon is 2,280 times that amount.
(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 1,950,000 spans 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 4,810 spans above the floor of Granite Gorge.
It's about 3,500 times as tall as a Golf Tee
In other words, 855 spans is 3,600 times the height of a Golf Tee, and the height of a Golf Tee is 0.0003 times that amount.
The most common golf tee size and the length preferred for iron and most wood clubs is 0.240 spans 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."