Columbus is about 1.4 times smaller than Canberra.

Canberra is approximately 814 sq km, while Columbus is approximately 574 sq km, making Columbus 70.47% the size of Canberra.
Tip: This to-scale comparison of Canberra vs. Columbus 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.