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To help compare orders of magnitude; this page lists lengths between 100 and 1,000 km (105 and 106 m). See also lengths of other orders of magnitude.
- Distances shorter than 100 km
- 100 km is equal to:
- 100 km -- the altitude at which the FAI defines spaceflight to begin
- 108 km -- length of the Channel Tunnel Rail Link
- 119 km -- diameter of the asteroid 5 Astraea
- 130 km -- range of a Scud-A missile
- 134 km -- diameter of the asteroid 8 Flora
- 162 km -- diameter of Puck, the largest of Uranus' inner moons
- 167 km -- diameter of Amalthea, one of Jupiter's inner moons
- 170 km -- diameter of Himalia, one of Jupiter's moons
- 178 km -- diameter of Janus, one of Saturn's moons
- 185 km -- diameter of the asteroid 6 Hebe
- 190 km -- diameter of Sycorax, the largest of Uranus' outer moons
- 200 km -- diameter of the asteroids 7 Iris and 9 Metis
- 203 km -- length of Sognefjorden, Norway, the largest fjord in the world
- 215 km -- length of Paris metro
- 217 km -- length of the Grand Union Canal
- 220 km -- diameter of Phoebe, the largest of Saturn's outer moons
- 223 km -- length of the Madrid Metro
- 234 km -- diameter of the asteroid 3 Juno
- 240 km -- widest width of the English Channel
- 266 km -- mean diameter of Hyperion, one of Saturn's major moons
- 300 km -- range of a Scud-B missile
- 324 km -- diameter of Nereid, the third largest moon of Neptune
- 350 km -- lower bound of Low Earth orbit
- 386 km -- altitude of the International Space Station
- 397 km -- diameter of Mimas, one of Saturn's moons
- 407 km -- diameter of the asteroid 10 Hygiea
- 408 km -- length of the London Underground (active track)
- 426 km -- diameter of Proteus, the second largest moon of Neptune
- 430 km -- length of the Pyrenees
- 468 km -- diameter of the asteroid 4 Vesta
- 470 km -- distance from Dublin to London as the crow flies
- 472 km -- diameter of Miranda, one of Uranus' major moons
- 499 km -- diameter of Enceladus, one of Saturn's moons
- 520 km -- widest width of Sweden from east to west
- 550 km -- distance from San Francisco to Los Angeles as the crow flies
- 526 km -- diameter of the asteroid 2 Pallas
- 590 km -- length of land boundary between Finland and Sweden
- 600 km -- range of a Scud-C missile
- 666 km -- height above ground of the Hubble Space Telescope
- 710 km -- range of a Scud-D missile
- 724 km -- length of the Om River
- 871 km -- distance from Sydney to Melbourne (along the Hume Highway)
- 946 km -- diameter of the asteroid 1 Ceres
- Distances longer than 1,000 km
See also conversion of units.
External link
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