... by car:
From Salzburg – motorway exit (A1) Thalgau (21 km) and from Vienna-motorway exit (A1) Mondsee (15 km) to St. Gilgen.
... by train:
From Vienna to Salzburg, and from there take the bus or a taxi via Hof and Fuschl to St. Gilgen. From Germany via Munich to Salzburg, and from there take the bus or a taxi via Hof and Fuschl to St. Gilgen (28 km).