There are identical distances to the seaports of Hamburg and Szczecin. The latter was "Berlin's port" until finally 1945, but Cold War neglect plus the recently drawn German-Polish border have all but severed that relationship. There are already only slow makes an attempt within the 2010s and 2020s to re-establish https://bbcnewsz.de/rum-tasting-berlin-ein-erlebnis-fur-genieser/