By plane
Skien Geiteryggen Airport is serviced by daily flights to Bergen, Stavanger and Molde, as well as three times per week to Stockholm, Sweden. For more information, visit Vildanden (http://www.vildanden.no). There is frequent busses between Skien and Porsgrunn, and the trip with a Taxi should not be too expensive either relative to norwegian prices.Sandefjord/Torp serviced by Ryan Air, KLM, Widerø and others is also a good option to travel to Porsgrunn. There is a bus Telemarkekspressen and train connection and it takes about 90 minutes to get to the city center.
By train
From Oslo Central Station approx. 3 hours. Trains often terminate at Larvik, and the last leg to Porsgrunn is then serviced by bus.
By bus
Both Nor-way Bussexpress (http://www.http://web2000...) and the slightly cheaper, but less frequent Konkurrenten (http://www.konkurrenten.no/) operates buses between Oslo and Porsgrunn.