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What is the area in square miles of the surface of the earth including land and water?

April 26, 2017area earth land miles square water

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What is the area in square miles of the surface of the earth including land and water?

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, so the surface of the earth is: 4 x 3.14159 x 3963 miles x 3963 miles = 197,359,320.78684 square miles, plus a little extra to compensate for the vertical height of mountains and depth of valleys.