Here are a few suggestions for your next trip from Porsgrunn

In 2 hours, you can reach Oslo, Drammen, Sandefjord, Asker, Skien, Tønsberg.

In 3 hours, you can reach Lillestrøm, Moss.

In 4 hours, you can reach Kristiansand, Fredrikstad, Sarpsborg.

In 6 hours, you can reach Göteborg.

In 7 hours, you can reach Stavanger, Örebro, Sandnes, Borås.

In 8 hours, you can reach Sztokholm, Bergen, Linköping, Västerås, Helsingborg, Jönköping, Norrköping, Södertälje.

In 9 hours, you can reach Malmö, Trondheim, Uppsala, Lund.

In 10+ hours, you can reach Berlin, Kopenhaga, Hamburg, Monachium, Odense, Frederiksberg, Salzburg, Innsbruck, Umeå, Dresden...