City size comparison

compared to

San Diego is about 4.7 times bigger than San Jose.

San Jose is approximately 180 sq km, while San Diego is approximately 844 sq km, making San Diego 369% larger than San Jose.
Tip: This to-scale comparison of San Jose vs. San Diego uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Diego vs. San Jose
Flip Comparison · See true size
See San Diego on top of San Jose
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Cost of Living Comparison · 7 categories - 2026 data
San Jose is 8.8% more expensive than San Diego
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