distance between the layers of earth
The distance from Earth's surface to its center is about 3,975 miles (6,395 kilometers). Scientists have divided the interior of Earth into various layers, based on their composition.The crust, or outer portion, varies in depth from 5 to 25 miles (8 to 40 kilometers).Below the crust is the mantle, which extends to a depth of about 1,800 miles (2,900 kilometers).cientists have divided the interior of Earth into various layers, based on their composition. The crust, or outer portion, varies in depth from 5 to 25 miles (8 to 40 kilometers).