Here’s the Broken Lands map for your delectation.
There will be approximately 300 squares of open ocean between the southern tip of Stormstone on Elgea, and the Northern-most tip of the Broken Lands.
This map does not currently show shallow/tidal/ocean waters; I’ll put this on a later version.
The large Western landmass with the border round it is the PvP-free protected zone.
Click the map for the large version