Here are the diameters of the planets in our solar system in miles:

* Mercury: 3,032 miles

* Venus: 7,521 miles

* Earth: 7,926 miles

* Mars: 4,212 miles

* Jupiter: 86,881 miles

* Saturn: 72,367 miles

* Uranus: 31,518 miles

* Neptune: 30,599 miles

Important Note: These are the diameters of the planets, which is the distance across the planet through its center.