It's about one-two-hundred-fiftieth as tall as Olympus Mons
In other words, 100 meters is 0.004 times the height of Olympus Mons, and the height of Olympus Mons is 270 times that amount.(a.k.a. Mount Olympus) (Mars)
The tallest mountain in the solar system, Olympus Mons rises to approximately 27,000 meters. The mountain has been known to astronomers since the nineteenth century because it is tall enough to rise above Mars' frequent dust storms.
It's about one-nine-hundredth as long as The Panama Canal
In other words, 100 meters is 0.001 times the length of The Panama Canal, and the length of The Panama Canal is 910 times that amount.(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 88,000 meters in length. Ships passing through the Canal are raised (and then lowered) 26 meters above sea level through the lock-and-dam system.
It's about one-one-thousandth as wide as The English Channel
In other words, 100 meters is 0.00094 times the width of The English Channel, and the width of The English Channel is 1,070 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 107,000 meters, 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-one-thousandth as long as The 405
In other words, 100 meters is 0.0008581 times the length of The 405, and the length of The 405 is 1,165.4 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 116,540 meters. 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-one-thousandth as long as Hadrian's Wall
In other words, 100 meters is 0.0008 times the length of Hadrian's Wall, and the length of Hadrian's Wall is 1,200 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 120,000 meters (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 2,000 times as tall as a Golf Tee
In other words, 100 meters is 1,900 times the height of a Golf Tee, and the height of a Golf Tee is 0.0005 times that amount.The most common golf tee size and the length preferred for iron and most wood clubs is 0.054 meters 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 one-four-thousand-five-hundredth as long as The Grand Canyon
In other words, 100 meters is 0.00022 times the length of The Grand Canyon, and the length of The Grand Canyon is 4,460 times that amount.(a.k.a. Gran Cañón) (Arizona) (Colorado River miles measure)
The Grand Canyon has a total length of 446,000 meters 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 1,100 m above the floor of Granite Gorge.