Glendale is around the same size as Boulder.

Boulder is approximately 70 sq km, while Glendale is approximately 79 sq km, making Glendale 13% larger than Boulder.
Tip: This to-scale comparison of Boulder vs. Glendale 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.