You can find equivalent distances for the seaports of Hamburg and Szczecin. The latter was "Berlin's port" until eventually 1945, but Cold War neglect as well as newly drawn German-Polish border have all but severed that relationship. There have already been only gradual attempts within the 2010s and 2020s to https://bbcnewsz.de/rum-tasting-berlin-ein-erlebnis-fur-genieser/