Bangkok is about 20 times bigger than Glendale.

Glendale is approximately 79 sq km, while Bangkok is approximately 1,569 sq km, making Bangkok 1,887% larger than Glendale.
Tip: This to-scale comparison of Glendale vs. Bangkok 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.