From St. Gallen(CH) train to München Hbf. 3 h 9 min SFr 79. From St. Gallen bus to Munich, Munich central bus station. 3 h 20 min SFr 16. From Saint Gallen rideshare to Munich. 3 h 4 min SFr 14. From St. Gallen drive to Munich. 2 h 17 min SFr 37. From St. Gallen train to Zurich airport, fly to Munich airport, then train to Munich. 3 h 31 min SFr 187.