The total length from the Earth's crust to its center is approximately 6,371 kilometers (about 3,959 miles). This distance can vary slightly depending on whether you measure from sea level or from the ground level, as well as due to the Earth's equatorial bulge and other geological factors. However, the average radius of the Earth is generally cited as around 6,371 kilometers.
What is the total length of from the crust to the center of the earth?
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