Venus.
venus
Venus is the second-largest terrestrial planet.
No planet is exactly the size of Earth. Venus is close to Earth's size but slightly smaller.
The only planet close to earth in size is Venus, which is only 5% smaller. The second closest is Mars, which is just over half the diameter of earth.
Comparison of the size of Uranus and the Earth. Uranus is 51118 km or about four Earths wide. It is the third widest and fourth heaviest planet in the Solar System
No planet.
Mercury is the smallest planet closest to the sun, followed by Venus as the second smallest planet. Venus is often referred to as Earth's "sister planet" due to their similar size and composition.
venus (in terms of distance from the sun). In terms of distance from the earth, it is Mars In terms of size, it is Saturn.
A planet called Kepler 186f, in the constellation Cygnus, is the same size as the Earth and it is similar to Earth in looking to. Venus is only slightly smaller than Earth and is the closest in size to it in our solar system.
9x's the size of Earth<3
The Earth is a planet if that is what you are asking. It is a planet in our solar system. However compared to the the relative size of other planets in the solar system earth is quite an average size.
Of the known planets, Venus is closest in size to the Earth.