Bus or 10 minute ferry to Molde, ferry from there to Vikibund and return by bus from à lesund makes a great day out. A return trip to Geiranger with ferry from there to Hellesylt and back is easily done in a day - given an early start if you are going by bus.
A Minipris Non refundable discount ticket from Oslo to à ndalsnes can be purchased from as low as 199NOK at www.nsb.no