Berlin and Potsdam -- Area Map and Travel Info
You can fly to either Tegel or Schönefeld airport in Berlin. From there, you can take public transportation to Golm through Potsdam.
Intercity trains come to various train stations in Berlin. Only few of them stop in Potsdam. During the day, local trains run twice an hour between Berlin and Potsdam, whereas the city trains (S-Bahn) go every 20 mins. The train station in Golm has direct train connections from Potsdam Hbf (main train station), Wustermark, Berlin Friedrichstr. (going through Berlin Hbf) and airport Berlin-Schönefeld.
Intercity buses normally arrive at ZOB (main bus station) in Berlin. From there, you can use public transportation to Golm through Potsdam. Only very few intercity buses stop in Potsdam.
When driving on A10 West: Exit "Potsdam Nord" or "Leest," then follow signs to Potsdam then Golm.
When driving on A10 South: Exit "Michendorf," follow B2 to Potsdam, then follow signs through Potsdam first to Park Sanssouci then to Golm.
Online trip planners for public transportation:
Intercity trains and city transportation -- DB Bahn TravelService -- Destination: Potsdam-Golm
City transportation in Berlin and Potsdam -- Transport Authority Berlin-Brandenburg -- Destination: Potsdam, Golm Bhf