Hi Lina,

It’s great to hear you’re heading on a cycling trip and understand the planning side is a lot of work which you’d rather not deal with.

There are many great routes to do from Oslo, but you should check the weather forecast as some routes might be drier than others.
Personally I would say cycling across the country is a real highlight and should take you about 6-8 days if you cycle around 80km a day.

Oslo to Bergen – is a classic and follows both paved and gravel roads. The highlights include Rallarvegen and Hardanger Fjord, to name but a few.
http://www.ridewithgps.com/routes/42429436?privacy_code=AQr7GqkAmhpO32pF

Here is extra info on the Rallarvegen gravel section: http://www.ridewithgps.com/routes/39606831?privacy_code=E9Vjb0QdoUH3tbkG

There is also a video that will talk you through the route here: http://www.cyclenorway.com/routes/norse-all-road-series/overview/route-1-2/

The other route I recommend is Oslo to Stavanger: http://www.ridewithgps.com/routes/39418051?privacy_code=uwPmRvH5Uy2Ijhst
The forest and canals of Telemark and Lysefjorden are two amazing highlights.
Once again, I will talk you through the route here: http://www.cyclenorway.com/routes/norse-all-road-series/overview/route-2/

Both routes have climbing to be done, but Oslo – Bergen is less steep and perhaps a better option for many people.

There is also some further in-depth info about both of them here: http://www.facebook.com/cyclenorwaycom/posts/pfbid0M8YQm4vQPnb9oVbV5KNi6ivvi8dhzsA5kVsVm4RJT9Soo9aZfdoMUBwZtYyNiudAl

Reach out if you need further help or have other questions.