Country size comparison

compared to

San Diego is around the same size as Tonga.

Tonga is approximately 747 sq km, while San Diego is approximately 844 sq km, making San Diego 13% larger than Tonga.
Tip: This to-scale comparison of Tonga 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. Tonga
Flip Comparison · See true size
See San Diego on top of Tonga
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Cost of Living Comparison · 7 categories - 2026 data
Tonga is 38.5% cheaper than San Diego
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