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:
  • 62 miles
  • side of square with area 10,000 km²
  • radius of circle with area 31,416 km²
• 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
• 136 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
• 213 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
• 340 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)
• 420 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
• 500 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
• 600 km -- height above ground of the Hubble Space Telescope
• 700 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

• Conversion Calculator for Units of LENGTH