State size comparison

compared to

Colorado is about 318 times bigger than San Diego.

San Diego is approximately 844 sq km, while Colorado is approximately 268,627 sq km, making Colorado 31,727% larger than San Diego.
Tip: This to-scale comparison of San Diego vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Colorado vs. San Diego
Flip Comparison · See true size
See Colorado on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 21.2% more expensive than Colorado
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