Australia is wider than the Moon.
The Moon is about 3,474 km across. Australia stretches about 4,000 km from east to west.
Go deeper
The numbers
The Moon is about 3,474 km across. Australia measures nearly 4,000 km from east to west, and about 3,860 km from north to south (including Tasmania), so it beats the Moon in both directions.
Why the Moon looks so big
It's close, in space terms: about 384,400 km away on average. NASA offers a handy comparison: if Earth were the size of a nickel, the Moon would be about as big as a coffee bean.
The surprising part
Width isn't everything. The Moon is a ball, so its whole surface adds up to about 38 million square kilometres. That's comparable to North and South America combined, and roughly five times Australia's land area.
Test yourself
Which is wider: Australia or the Moon?
Australia is nearly 4,000 km across. The Moon is about 3,474 km.
Sources
Fact-checked 14 October 2026 · Report a mistake
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