Serious Eats - seriouseats.com

Actually, the closest In-n-out would be the one in Tempe at Scottsdale Rd. (also known as Rural Rd.) and the 202 highway, which is about 5 miles away from Sky Harbor. The closest if you were driving, though would be the one in Prescott, but if you're going to make that effort you might as well go all the way and head to Vegas so you can get some Fatburger, too.