City size comparison

compared to

Rockville is about 23 times smaller than Canberra.

Canberra is approximately 814 sq km, while Rockville (map shows its 87 named neighbourhoods; the area covers the whole city) is approximately 35 sq km, making Rockville 4.32% the size of Canberra.
Tip: This to-scale comparison of Canberra vs. Rockville uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rockville vs. Canberra

Flip Comparison · See true size
See Rockville on top of Canberra
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Cost of Living Comparison · 7 categories - 2026 data
Canberra is 2.3% cheaper than Rockville
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