500 000 km^2 = 708 km x 708 km A single 708 km x 708 km would have these corners (Paris, Berlin, Vienna, Milan):https://goo.gl/maps/DTxdVCcK3aYUEirw8 https://g

500 000 km^2 = 708 km x 708 km A single 708 km x 708 km would have these corners (Paris, Berlin, Vienna, Milan):https://goo.gl/maps/DTxdVCcK3aYUEirw8 https://goo.gl/maps/DTxdVCcK3aYUEirw8 (Rough approximation!) 30 of these: 21,240 km x 21,240 km