City size comparison

compared to

Las Vegas is about 2.3 times smaller than San Diego.

San Diego is approximately 844 sq km, while Las Vegas (map shows its 26 named neighbourhoods; the area covers the whole city) is approximately 367 sq km, making Las Vegas 43.53% the size of San Diego.
Tip: This to-scale comparison of San Diego vs. Las Vegas uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Las Vegas vs. San Diego

Flip Comparison · See true size
See Las Vegas on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 36.8% more expensive than Las Vegas
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