City size comparison

compared to

San Diego is about 2 times bigger than Athens.

Athens is approximately 412 sq km, while San Diego is approximately 844 sq km, making San Diego 105% larger than Athens.
Tip: This to-scale comparison of Athens 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. Athens
Flip Comparison · See true size
See San Diego on top of Athens
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Cost of Living Comparison · 7 categories - 2026 data
Athens is 30.2% cheaper than San Diego
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