Albuquerque is about 3.4 times smaller than Houston.

Houston is approximately 1,659 sq km, while Albuquerque (map shows its 231 named neighbourhoods; the area covers the whole city) is approximately 485 sq km, making Albuquerque 29.24% the size of Houston.
Tip: This to-scale comparison of Houston vs. Albuquerque 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.