These numbers are from NASA’s Solar System Fact Sheets.

Planet Average Diameter (km)

Mercury 4,879

Venus 12,104

Mars 6,771

Jupiter 139,822

Saturn 116,464

Uranus 50,724

Neptune 49,244

Total 380,008

The average distance from the Earth to the Moon is 384,400 km. And check it out, that leaves us with 4,392 km to spare, with enough room left over for the Dwarf Planet, Pluto (2300km).

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