Albuquerque is about 1.4 times bigger than Philadelphia.

Philadelphia is approximately 348 sq km, while Albuquerque (map shows its 231 named neighbourhoods; the area covers the whole city) is approximately 485 sq km, making Albuquerque 39% larger than Philadelphia.
Tip: This to-scale comparison of Philadelphia 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.