Here are the planets of the solar system arranged in order of increasing diameter:
- Mercury - 4,880 km
- Mars - 6,779 km
- Venus - 12,104 km
- Earth - 12,742 km
- Neptune - 49,244 km
- Uranus - 50,724 km
- Saturn - 116,460 km
- Jupiter - 139,822 km
Note that the diameters listed above are approximate values and are given in kilometers (km). The diameters of the planets vary greatly depending on their size, shape, and composition.
