I built only the buildings, apartments, the airport, and boats of less the carrier and half of the military base. I'm also using worldedit to build it x) But it still long :S It took 4 months to build the entire map.
I believe it. I went and tried (mostly successfully) to build a tesla coil from RA2 in creative, it took me something like three days to finish. Of course I didn't actually spend all my time building, i built until my fingers hurt and then called it a day but still.