Country size comparison

compared to

Hong Kong is about 1.3 times bigger than San Diego.

San Diego is approximately 844 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 31% larger than San Diego.
Tip: This to-scale comparison of San Diego vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Hong Kong vs. San Diego
Flip Comparison · See true size
See Hong Kong on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 43.6% more expensive than Hong Kong overall
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