The average bus between Grimstad and Porsgrunn takes 2h 14m and the fastest bus takes 2h. The bus service runs several times per day from Grimstad to Porsgrunn. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 4 hours between Grimstad and Porsgrunn. The earliest departure is at 8:05 AM in the morning, and the last departure from Grimstad is at 6:05 PM which arrives into Porsgrunn at 8:22 PM. All services require a transfer, and take on average 2h 14m. The schedules shown below are for the next available departures.

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Want to know about travelling from Grimstad to Porsgrunn? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Grimstad to Porsgrunn. However, there are services departing from Grimstad station and arriving at Porsgrunn station via Skjelsvik knutepunkt. The journey, including transfers, takes approximately 2h 14m.
Grimstad to Porsgrunn bus services, operated by FlixBus, depart from Grimstad station.
Grimstad to Porsgrunn bus services, operated by FlixBus, arrive at Skjelsvik knutepunkt station.
Book your Grimstad to Porsgrunn bus tickets online with FlixBus and Farte.
The distance between Grimstad and Porsgrunn is 108 km. The road distance is 132 km.
FlixBus operates a bus from Grimstad to Skjelsvik knutepunkt every 4 hours. Tickets cost kr 110–190 and the journey takes 1h 37m.