City size comparison

compared to

Rome is about 37 times bigger than Rockville.

Rockville (map shows its 87 named neighbourhoods; the area covers the whole city) is approximately 35 sq km, while Rome is approximately 1,287 sq km, making Rome 3,564% larger than Rockville.
Tip: This to-scale comparison of Rockville vs. Rome uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rome vs. Rockville

Flip Comparison · See true size
See Rome on top of Rockville
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Cost of Living Comparison · 7 categories - 2026 data
Rockville is 60.4% more expensive than Rome
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