Country size comparison

compared to

Sydney is about 20 times smaller than Guam.

Guam is approximately 544 sq km, while Sydney is approximately 27 sq km, making Sydney 4.91% the size of Guam.
Tip: This to-scale comparison of Guam vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Guam
Flip Comparison · See true size
See Sydney on top of Guam
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Cost of Living Comparison · 7 categories - 2026 data
Guam is 13.2% more expensive than Sydney
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