Fly to Linz Danue Airport. We will pick you up there.
Alternative: Fly to Vienna airport or Munich airport and travel to Linz (or Eferding) by train
Go by train to Linz main station. We will pick you up there.
(From Linz main station you can also take the regional train LILO to Eferding.)
Use your navigation system and drive to Stadtplatz 17, 4070 Eferding, Austria.