State size comparison

compared to

Massachusetts is about 24 times bigger than San Diego.

San Diego is approximately 844 sq km, while Massachusetts is approximately 20,306 sq km, making Massachusetts 2,306% larger than San Diego.
Tip: This to-scale comparison of San Diego vs. Massachusetts uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Massachusetts vs. San Diego
Flip Comparison · See true size
See Massachusetts on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 13.9% more expensive than Massachusetts
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