Copenhagen is around the same size as Rochester.

Rochester is approximately 93 sq km, while Copenhagen is approximately 90 sq km, making Copenhagen 97.18% the size of Rochester.
Tip: This to-scale comparison of Rochester vs. Copenhagen 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.