City size comparison

compared to

Boston is about 3.3 times smaller than Vienna.

Vienna is approximately 415 sq km, while Boston is approximately 124 sq km, making Boston 29.9% the size of Vienna.
Tip: This to-scale comparison of Vienna vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Vienna
Flip Comparison · See true size
See Boston on top of Vienna
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Cost of Living Comparison · 7 categories - 2026 data
Vienna is 9.6% cheaper than Boston
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