10 megametres: Information from Answers.com

Planets from Venus up to Uranus have diameters from ten to one hundred million metres. Top row: Uranus (left), Neptune (right); middle row: Earth (left), Sirus B (center), and Venus (right), to scale.

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To help compare different orders of magnitude, this page lists lengths starting at 10⁷ metres (10 megametres or 10,000 kilometres).

Distances shorter than 10⁷ metres

1 Conversions
2 Nature
3 Astronomical
4 Other
5 See also
6 References

Conversions

10 megametres (10 Mm) is

6,215 miles.
side of a square of area 100,000,000 square kilometres (km²)
radius of a circle of area 314,159,265 km²

Nature

10 Mm — Approximate altitude of the outer boundary of the exosphere
10.001 Mm — Length of the Meridian of Paris from the North Pole to the Equator (the original definition of the metre was based on this length).
15.134 Mm — Coastline of New Zealand
19.924 Mm — Coastline of the United States
21.925 Mm — Coastline of Norway
25.760 Mm — Coastline of Australia
40.000 Mm — Coastline of Finland (including islands) [1]
60.000 Mm — Total length of the mid-ocean ridges

Astronomical

12.000 Mm — Diameter of Sirius B, a white dwarf^[1]
12.104 Mm — Diameter of Venus
12.742 Mm — Diameter of Earth
12.900 Mm — Minimum distance of the meteoroid 2004 FU₁₆₂ from the center of Earth on March 31, 2004, closest on record
14.000 Mm — Smallest diameter of Jupiter's Great Red Spot
34.770 Mm — Minimum distance of the asteroid 99942 Apophis on April 13, 2029 from the center of Earth
35.786 Mm — Altitude of geostationary orbit
40.005 Mm — Polar circumference of the Earth
40.077 Mm — Equatorial circumference of the Earth
49.528 Mm — Diameter of Neptune
51.118 Mm — Diameter of Uranus

Other

13.300 Mm - Length of roads being rehabilitated and widened under the National Highway Development Project (launched in 1998) in India.
67.000 Mm - Total length of national highways in India.

Distances longer than 10⁸ m