The average bus between Oslo Central Station and Porsgrunn takes 2h 24m and the fastest bus takes 2h 15m. There is a bus service every few hours from Oslo Central Station 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 hourly between Oslo Central Station and Porsgrunn. The earliest departure is at 6:00 AM in the morning, and the last departure from Oslo Central Station is at 11:00 PM which arrives into Porsgrunn at 5:35 AM. All services require a transfer at Oslo bussterminal and take an average of 2h 24m. The schedules shown below are for the next available departures.

2h 15m • 1 change

2h 35m • 1 change

2h 15m • 1 change

2h 25m • 1 change

2h 15m • 1 change

2h 35m • 1 change

2h 15m • 1 change

2h 25m • 1 change

2h 15m • 1 change

2h 35m • 1 change

2h 15m • 1 change

2h 25m • 1 change
Want to know about travelling from Oslo Central Station 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 Oslo Central Station to Porsgrunn. However, there are services departing from Oslo Central Station station and arriving at Porsgrunn station via Skjelsvik knutepunkt. The journey, including transfers, takes approximately 2h 24m.
Oslo Central Station to Porsgrunn bus services, operated by Vy Buss, depart from Oslo bussterminal station.
Oslo Central Station to Porsgrunn bus services, operated by Vy Buss, arrive at Skjelsvik knutepunkt station.
The distance between Oslo Central Station and Porsgrunn is 105.6 km. The road distance is 168 km.
Vy Buss operates a bus from Oslo bussterminal to Skjelsvik knutepunkt 5 times a day. Tickets cost kr 300–600 and the journey takes 1h 52m. Two other operators also service this route.