1 E4 M

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1 E4 M

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1 E4 M

Distances Shorter Than 10 Km

Conversions

10 km is equal to:

10,000 Metre s

6.2 Mile s

1 '' Mil '', unit of measure commonly used in Norway and Sweden

1 '' Peninkulma '', unit of measure commonly used in Finland ; earlier ''peninkulma'' was 10.688 km

1 ''farsang'', unit of measure commonly used in Iran and Turkey

Sports

42 km — length of a Marathon course

Human-built structures

18 km — cruising altitude of Concorde

38 km — Length of the world's longest bridge, the Second Lake Pontchartrain Causeway in Louisiana , USA

39 km — undersea portion of the Channel Tunnel

Nature

10 km — Height of Mauna Kea in Hawaii , measured from its base on the ocean floor

11 km — deepest known point of the ocean, Challenger Deep in the Mariana Trench

21 km — length of Manhattan

34 km — Narrowest width of the English Channel

Astronomical

10 km — diameter of the most massive Neutron Star s (3 – 5 Solar masses)

13 km — mean diameter of Deimos , the smaller moon of Mars

20 km — diameter of the least massive neutron stars (1.44 solar masses)

20 km — diameter of Leda , one of Jupiter 's moons

20 km — diameter of Pan , one of Saturn 's moons

22 km — diameter of Phobos , the larger moon of Mars

27 km — height of Olympus Mons on Mars , measured from its base

43 km — diameter difference of Earth 's Equatorial Bulge

66 km — diameter of Naiad , the innermost of Neptune 's moons

Distances Longer Than 100 Km

SEE ALSO

Orders Of Magnitude (length)