City size comparison

compared to

San Diego is around the same size as Canberra.

Canberra is approximately 814 sq km, while San Diego is approximately 844 sq km, making San Diego 4% larger than Canberra.
Tip: This to-scale comparison of Canberra 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. Canberra

Flip Comparison · See true size
See San Diego on top of Canberra
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Cost of Living Comparison · 7 categories - 2026 data
Canberra is 11.4% cheaper than San Diego
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