Honolulu is about 4 times smaller than Toronto.

Toronto is approximately 630 sq km, while Honolulu is approximately 157 sq km, making Honolulu 24.87% the size of Toronto.
Tip: This to-scale comparison of Toronto 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.