I know most of this country very good. Would like to help if someone is visiting Norway. Do also know a little bit of Sweden, Finland and Denmark. But Norway is where iam from.
Biking is about maximum 1-6 hours each day on the wheels. And 4-12 half liters each day. On interrail you travel from a to b, on bike you travel between a to b.
A old visdom word from Norway