City size comparison

compared to

San Diego is about 318 times smaller than Colorado.

Colorado is approximately 268,627 sq km, while San Diego is approximately 844 sq km, making San Diego 0.31% the size of Colorado.
Tip: This to-scale comparison of Colorado 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. Colorado
Flip Comparison · See true size
See San Diego on top of Colorado
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Cost of Living Comparison · 7 categories - 2026 data
Colorado is 15.5% cheaper than San Diego
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