Charlottesville is about 2.6 times smaller than Boulder.

Boulder is approximately 70 sq km, while Charlottesville is approximately 27 sq km, making Charlottesville 38.12% the size of Boulder.
Tip: This to-scale comparison of Boulder vs. Charlottesville uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.