The deepest hole ever drilled is on the Kola Superdeep Borehole located on the Kola Peninsula in Russia and is 12,262 meters deep. The furthest humans from Earth were the crew of Apollo 13 who were 400,171 kilometers from our planet’s surface in 1970. If the average distance to the center of the earth is 6371 kilometers, and the average distance to mars is 141.6 million miles, what percentages are the distance to the center of the earth and to Mars