City size comparison

compared to

Helsinki is about 18 times smaller than Sydney.

Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, while Helsinki is approximately 214 sq km, making Helsinki 5.63% the size of Sydney.
Tip: This to-scale comparison of Sydney vs. Helsinki uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Helsinki vs. Sydney

Flip Comparison · See true size
See Helsinki on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 39.1% more expensive than Helsinki
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