I always hear how Disneyland is SOOO much smaller than the Magic Kingdom. I always felt that it was not THAT much smaller geographically. Some say the World Showcase Lagoon can fit another park within it's shores. Either way, here is a look at the domestic Disney parks from high up in the air.
These are all shown at the same scale, according to bing.com/maps, which I imagine is not one hundred percent accurate, but close enough.