* The total land area of Earth? This is approximately 148,940,000 square kilometers (57,506,000 square miles).
* The percentage of Earth's surface that is land? This is about 29%. The remaining 71% is covered by water.
* The distribution of land across different continents? This varies greatly. For example, Asia has the largest land area, followed by Africa, North America, South America, Antarctica, Europe, and Australia.
Please clarify your question so I can give you a more specific answer.
