All roads lead to the southern region, Lindesnes. Find a map and decide where you want to go, and what you want to experience.
If your trip will continue westward, we recommend the amazing The North Sea Route.
There are two train station in Lindesnes: Marnardal and Audnedal. To get to these, you need to take the "Sørtoget" that goes between Oslo and Stavanger. You will find more information with the train company website, GoAhead.