The nearest airport is Kristiansand Airport, 57 km from Mandal. Here you can rent a car or take the bus in to Kristiansand city center. And then you can take a buss to Mandal.
Akt Travelplanner helps you find the right bus to get around in the Lindesnes region. It also shows the timetable for buses to Oslo and Stavanger.
There are two train station in Lindesnes: Marnardal and Audnedal. To get to these, you need to take the "Sørlandsbane" that goes between Oslo and Stavanger. You will find more information with the train company website, Vy travelplanner.
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.
If you want to bike around the coast in the south of Norway, we recommend The North Sea Cycle Route. The roads in Lindesnes have not much traffic, so they are perfect for biking all the way to the mountains in Åseral.