City size comparison

compared to

Boston is about 2 times smaller than Frankfurt.

Frankfurt is approximately 248 sq km, while Boston is approximately 124 sq km, making Boston 49.94% the size of Frankfurt.
Tip: This to-scale comparison of Frankfurt vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Frankfurt

Flip Comparison · See true size
See Boston on top of Frankfurt
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Cost of Living Comparison · 7 categories - 2026 data
Frankfurt is 10.8% cheaper than Boston
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