From Oslo Lufthavn Gardermoen train to Toensberg. 1hrs 45min kr 208. From Sandefjord Airport bus to Toensberg. 30min kr 160. From Rygge flyplass bus to Sonsveien, train to Oslo S, then train to Toensberg. 3hrs 08min kr 291. From Landvetter Airport bus to Göteborg Central, train to Oslo S, then train to Toensberg. 7hrs 05min kr 619. From Kjevik Lufthavn Airport Bus to Håneskrysset, line 17 bus to Sem, then bus to Toensberg. 5hrs 42min kr 538.