Denver is about 1.4 times smaller than Columbus.

Columbus is approximately 574 sq km, while Denver is approximately 396 sq km, making Denver 69.1% the size of Columbus.
Tip: This to-scale comparison of Columbus vs. Denver 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.