Facts
Real facts about everything, written for your grade.
On average, the Moon is 238,855 miles (384,400 kilometers) from Earth.
The Moon is, on average, 238,855 miles away from Earth. In kilometers, that is 384,400 kilometers.
Scientists give it "on average" because the number is not exactly the same every day.
About 27 days. That is why the Moon's shape seems to change through the month: we see a different amount of its lit-up side as it goes around.
The distance and the 27-day orbit are from NASA's Moon Facts page (last updated 12 Feb 2026, read 6 Nov 2026), which also rounds it to about 239,000 miles.
The answer gives miles first and kilometers beside them, as NASA's page does.
The Moon phases page shows why the shape changes through the month.
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