World War 1 and 2 - 1 E13 m²

To help compare sizes of different areas, here is a list of areas between 10 million km² and 100 million km². See also areas of other orders of magnitude.

Areas smaller than 10 million square kilometers
- 10 million km² = 3,860,000 square miles.
- A square of this area has a side length of 3,160 km.
- A cube of this surface area has a side length of 1,290 km.
- A circle of this area has a radius of 1,784 km.
- A sphere of this surface area has a radius of 892 km.
10 million km² — Canada including water
11 million km² — Europe including water
11,955,000 km² — Ottoman Empire at its height
14 million km² — Antarctica
14 million km² — Arctic Ocean
17 million km² — Russia (country ranked 1st by area)
17 million km² — Pluto
18 million km² — South America
20 million km² — Southern Ocean
22 million km² — Soviet Union (before collapse)
23 million km² — roughly the amount of area annexed by European powers, during the "New Imperialism"
23 million km² — Triton (moon of Neptune)
24 million km² — North America
29 million km² — Africa
31 million km² — Europa (moon of Jupiter)
38 million km² — The Moon
41 million km² — Io (moon of Jupiter)
44 million km² — Asia
69 million km² — Indian Ocean
72 million km² — Callisto (moon of Jupiter)
75 million km² — Mercury
77 million km² — Atlantic Ocean
83 million km² — Titan (moon of Saturn)
87 million km² — Ganymede (moon of Jupiter)
Areas larger than 100 million square kilometers