City size comparison

compared to

San Bernardino is about 1.3 times bigger than Boston.

Boston is approximately 124 sq km, while San Bernardino (map shows its 50 named neighbourhoods; the area covers the whole city) is approximately 161 sq km, making San Bernardino 30% larger than Boston.
Tip: This to-scale comparison of Boston vs. San Bernardino uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Bernardino vs. Boston

Flip Comparison · See true size
See San Bernardino on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 42.1% more expensive than San Bernardino
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