car:

From Germany: direction Salzburg - motorway A1 "Westautobahn" to St. Pölten
From Italy: motorway A2 "Südautobahn" via Villach-Graz to Vienna - motorway
A1 "Westautobahn" to St.Pölten or motorway A21 "Außenringautobahn"
to motorway A1 or via the pass "Brennerpass" to Innsbruck - Salzburg
- motorway A1 "Westautobahn"
From Switzerland: tunnel "Arlbergtunnel" - motorway A12 "Inntalautobahn" -
Innsbruck - Salzburg - motorway A1

train:

From Germany, Italy, Switzerland: Railway track "Westbahnstrecke" via Salzburg
to St.Pölten or railway track "Südbahnstrecke" to Southern Vienna -
fast train to railway station "Wien Westbahnhof" - Vienna - St.Pölten

airplane:

Airports: Vienna Schwechat approx. 80 km
Linz approx. 120 km