By car: 

Highway: 
from Linz, Wels: A8 exit Suben (A)
from Frankfurt, Regensburg: A3 exit Pocking (D)

Distances: 

Passau - 16 km 
Bayerischer Wald - 40 km 
Salzkammergut - 70 km 
Salzburg - 95 km 
Linz - 90 km 
Vienna - 250 km

By plane:

Airport Munich (1,5 h on the highway)  
Airport Linz (1,5 h on the highway)  
Airport Salzburg (1,5 h from Schärding)  

Mit der Bahn: 

Railwaystation Schärding