Country size comparison

compared to

San Diego is about 1.3 times smaller than Hong Kong.

Hong Kong is approximately 1,108 sq km, while San Diego is approximately 844 sq km, making San Diego 76.18% the size of Hong Kong.
Tip: This to-scale comparison of Hong Kong 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. Hong Kong
Flip Comparison · See true size
See San Diego on top of Hong Kong
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Cost of Living Comparison · 7 categories - 2026 data
Hong Kong is 13.8% cheaper than San Diego
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