distance from the earth's surface to the center of the earth
The average distance to the centre of the Earth is 6,371 km or 3,959 miles. In other words, if you could dig a hole 6,371 km, youâd reach the center of the Earth. At this point youâd be in the Earthâs liquid metal core. The Earths interior (University of Chicago). I said that this number is an average.