Country size comparison

compared to

Tonga is around the same size as San Diego.

San Diego is approximately 844 sq km, while Tonga is approximately 747 sq km, making Tonga 88.51% the size of San Diego.
Tip: This to-scale comparison of San Diego vs. Tonga uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Tonga vs. San Diego
Flip Comparison · See true size
See Tonga on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 11.0 times more expensive than Tonga overall
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