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The average distance between the Moon and the Earth is 384,403 kilometers (238,857 miles). This distance fluctuates between 363,104 kilometers and 405,696 kilometers (225,622 to 252,088 miles) due to the eccentricity of the Moon's orbit.
*Other sources may list a perigee of 356,375 to 356,567 km and an apogee of 406,660 to 406,720 km.

Due to tidal friction, the moon recedes at a rate of roughly 3.8 cm (1.5 inches) per year, though when there was only one continent the recession rate was less.