[AshleyGrant]

The Boeing plant is 0.4 km^2, not 399 km^2. 1 km^2 = 1,000,000 m^2.

[epimetheus]

You're right, I posted without thinking and didn't do the math. It's on par with Vatican City though (slightly smaller), but yeah, that 45 country figure is way off. Thanks for that correction.