City size comparison

compared to

Boston is about 1.3 times smaller than San Bernardino.

San Bernardino (map shows its 50 named neighbourhoods; the area covers the whole city) is approximately 161 sq km, while Boston is approximately 124 sq km, making Boston 77.08% the size of San Bernardino.
Tip: This to-scale comparison of San Bernardino vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. San Bernardino

Flip Comparison · See true size
See Boston on top of San Bernardino
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Cost of Living Comparison · 7 categories - 2026 data
San Bernardino is 19.8% cheaper than Boston
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