City size comparison

compared to

Rome is about 3.7 times bigger than Philadelphia.

Philadelphia is approximately 348 sq km, while Rome is approximately 1,287 sq km, making Rome 270% larger than Philadelphia.
Tip: This to-scale comparison of Philadelphia vs. Rome uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rome vs. Philadelphia

Flip Comparison · See true size
See Rome on top of Philadelphia
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Cost of Living Comparison · 7 categories - 2026 data
Philadelphia is 38.5% more expensive than Rome
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