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To help compare different orders of magnitude this page lists lengths between 100 m and 1 km.
- Distances shorter than 100 m
- 100 m is equal to:
- wavelength of the highest Mediumwave radio frequency, 3 MHz
- 328 feet
- side of square of area 1 hectare
- the distance a very fast human being can run in about 10 seconds
- 105 m — length of a soccer field
- 109.73 m — total length of an American football field (120 yards, including the end zones)
- 112.34 m — height of the world's tallest tree, a Coast redwood
- 128.1 m — height of the world's tallest roller coaster, the Top Thrill Dragster at Cedar Point near Sandusky, Ohio, USA
- 137 m — height of the Great Pyramid of Giza
- 168 m — height of the Bungsberg, highest point in Schleswig-Holstein, Germany
- 187 m — shortest wavelength of the broadcast radio AM band, 1600 kHz
- 193 m — the approximate length of New Jersey State Highway 59
- 244 m — height of the City Gate building in Ramat-Gan, Israel
- 300 m — height of the Eiffel Tower
- 304.8 m — 1000 feet
- 310 m — maximum depth of Lake Geneva
- 324 m — total height of the Eiffel Tower including TV-antenna
- 328 m — Auckland's Sky Tower, the tallest free-standing structure in the Southern Hemisphere
- 340 m — distance sound travels in air at sea level in one second; see speed of sound
- 341 m — height of the world's tallest bridge, the Millau Viaduct
- 390 m — height of the Empire State Building
- 417 m — height of the World Trade Center buildings before the September 11, 2001 attacks
- 443 m — height of the Sears Tower, the tallest skyscraper in the United States
- 500 m — the modern li, a Chinese unit of measurement
- 508 m — height of the Taipei 101 building, the tallest skyscraper in the world
- 541 m — (1,776 ft) -- height of the planned Freedom Tower at the World Trade Center site
- 553.33 m — height of the CN Tower, the world's second tallest free-standing land structure
- 555 m — longest wavelength of the broadcast radio AM band, 540 kHz
- 1 km — wavelength of the lowest medium wave radio frequency, 300 kHz
- Distances longer than 1 km