City size comparison

compared to

Sydney is about 5 times smaller than New Jersey.

New Jersey is approximately 19,211 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 19.83% the size of New Jersey.
Tip: This to-scale comparison of New Jersey vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. New Jersey

Flip Comparison · See true size
See Sydney on top of New Jersey
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Cost of Living Comparison · 7 categories - 2026 data
New Jersey is 3.2% cheaper than Sydney
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