Country size comparison

compared to

San Diego is about 1.4 times bigger than Saint Lucia.

Saint Lucia is approximately 616 sq km, while San Diego is approximately 844 sq km, making San Diego 37% larger than Saint Lucia.
Tip: This to-scale comparison of Saint Lucia 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. Saint Lucia
Flip Comparison · See true size
See San Diego on top of Saint Lucia
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Cost of Living Comparison · 7 categories - 2026 data
Saint Lucia is 34.5% cheaper than San Diego
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