- Kristiansand airport, located 16 km northeast of Kristiansand. There are airport buses between Kristiansand and the airport.
- NSB operates trains from Oslo to Stavanger. Inside Vest-Agder, they stop in Vennesla, Kristiansand, Nodeland, Marnardal, Audnedal, Snartemo, Storekvina, Gyland and Sira.
- There are Color lines car ferries from Hirtshals in Denmark to Kristiansand. Hirtshals is reached by DSB train or car.
From Oslo to Kristiansand, use E18, from Stavanger E39. From Denmark, use the car ferry.
Local buses, tickets and info by AKT.