10 megametres

To help compare different orders of magnitude, this page lists lengths starting at 10⁷ m (10 Mm or 10,000 km).

Distances shorter than 10⁷ m

Conversions

10 Mm is
* 6,215 miles.
* side of a square of area 100,000,000 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) [http://virtual.finland.fi/netcomm/news/showarticle.asp?intNWSAID=25723]
* 60.000 Mm — Total length of the mid-ocean ridges

Astronomical

* 12.000 Mm — Diameter of Sirius B, a white dwarf [cite news | first=Christine | last=McGourty
title=Hubble finds mass of white dwarf
publisher=BBC News | date=2005-12-14
url=http://news.bbc.co.uk/2/hi/science/nature/4528586.stm
accessdate=2007-10-13 ]
* 12.104 Mm — Diameter of Venus
* 12.742 Mm — Diameter of Earth
* 12.900 Mm — Minimum distance of the meteoroid mpl|2004 FU|162 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

See also

* Orders of magnitude (length)

Notes