To help compare different orders of magnitude this page lists lengths between 10 and 100 km (10⁴ to 10⁵ m).

• Distances shorter than 10 km
• 10 km is equal to:
  • 10,000 metres
  • 6.2 miles
  • 1 mil, unit of measure commonly used in Norway and Sweden
  • 1 farsang, unit of measure commonly used in Iran and Turkey
• 10.2 km — Height of Mauna Kea in Hawaii, measured from its base on the ocean floor
• 11.034 km — deepest known point of the ocean, Challenger Deep in the Mariana Trench
• 13 km — mean diameter of Deimos, the smaller moon of Mars
• 16 km — diameter of Adrastea, one of Jupiter's inner moons
• 18 km — cruising altitude of Concorde
• 20 km — diameter of Leda, one of Jupiter's moons
• 20 km — diameter of Pan, one of Saturn's moons
• 21 km — length of Manhattan
• 22 km — mean diameter of Phobos, the larger moon of Mars
• 27 km — Height of Olympus Mons on Mars, measured from its base
• 30 km — diameter of Ananke, one of Jupiter's outer moons
• 32 km — diameter of Siarnaq, one of Saturn's outer moons
• 34 km — Narrowest width of the English Channel
• 36 km — diameter of Lysithea, one of Jupiter's moons
• 38.422 km — Length of the world's longest bridge, the Second Lake Pontchartrain Causeway in Louisiana, USA
• 39 km — undersea portion of the Channel tunnel
• 42.195 km — length of a marathon course
• 43 km — diameter difference of Earth's equatorial bulge
• 43 km — diameter of Metis, Jupiter's innermost moon
• 46 km — diameter of Carme, one of Jupiter's outer moons
• 60 km — diameter of Pasiphaë, one of Jupiter's outer moons
• 66 km — diameter of Naiad, the innermost of Neptune's moons
• 86 km — diameter of Elara, one of Jupiter's moons
• 99 km — diameter of Thebe, one of Jupiter's inner moons
• Distances longer than 100 km

See also

• Orders of magnitude (length)