City size comparison

compared to

Ulm is around the same size as Boston.

Boston is approximately 124 sq km, while Ulm (map shows its 55 named neighbourhoods; the area covers the whole city) is approximately 119 sq km, making Ulm 95.71% the size of Boston.
Tip: This to-scale comparison of Boston vs. Ulm uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Ulm vs. Boston

Flip Comparison · See true size
See Ulm on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 72.2% more expensive than Ulm
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