State size comparison

compared to

Massachusetts is about 5 times bigger 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 Massachusetts is approximately 20,306 sq km, making Massachusetts 433% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Massachusetts uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Massachusetts vs. Sydney

Flip Comparison · See true size
See Massachusetts on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 5.6% more expensive than Massachusetts
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