About a square mile, and the problem is procedural nonsense about the timing of paperwork rather than the paperwork actually showing a problem. Storm in a teacup.
Google probably even factored in the expected fine versus having the data centre done X months/years earlier compared to completing all the red tape in due course.
That’s how corps make profit: by weighing up costs versus time versus risks versus legality. Won’t be surprised that they even considered making ~~bribes~~ political donations to get it done faster.