City size comparison

compared to

Montreal is about 12 times bigger than Rockville.

Rockville (map shows its 87 named neighbourhoods; the area covers the whole city) is approximately 35 sq km, while Montreal is approximately 432 sq km, making Montreal 1,128% larger than Rockville.
Tip: This to-scale comparison of Rockville vs. Montreal uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Montreal vs. Rockville

Flip Comparison · See true size
See Montreal on top of Rockville
→
Cost of Living Comparison · 7 categories - 2026 data
Rockville is 77.1% more expensive than Montreal
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play