* Continental Crust: Ranges from about 30 to 70 kilometers (19 to 43 miles) thick.
* Oceanic Crust: Is much thinner, typically around 5 to 10 kilometers (3 to 6 miles) thick.
Therefore, the distance across the crust is not a fixed value. It depends on whether you're measuring continental or oceanic crust and where you're measuring it.
It's important to remember that these are just average thicknesses. There are thicker areas of continental crust, like mountains, and thinner areas in certain regions.
