Honolulu is about 3.7 times smaller than Columbus.

Columbus is approximately 574 sq km, while Honolulu is approximately 157 sq km, making Honolulu 27.31% the size of Columbus.
Tip: This to-scale comparison of Columbus vs. Honolulu 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.