Mercury is 0.61 astronomical units (AU) from Earth, while Venus is 0.28 AU from Earth. Mars is 0.52 AU from Earth, while Jupiter is 4.20 AU from Earth. Saturn is 8.54 AU from Earth, Uranus is 18.14 AU from Earth and Neptune is 29.06 AU from Earth.
Pluto, which is no longer considered an official planet, is about 48 AU from the Earth. Because the orbits of the planets are elliptical, the distances change over time. Pluto's orbit is so eccentric that it can be closer to Earth than Neptune.
An astronomical unit is 149,597,870,700 meters. It represents the distance from the Earth to the Sun.