The average bus between Rostrenen and Châteaulin takes 5h 43m and the fastest bus takes 3h 47m. The bus service runs several times per day from Rostrenen to Châteaulin. 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 twice daily between Rostrenen and Châteaulin. The earliest departure is at 7:51 AM in the morning, and the last departure from Rostrenen is at 9:07 PM which arrives into Châteaulin at 7:57 AM. All services require a transfer, and take on average 5h 43m. The schedules shown below are for the next available departures.

4h 16m • 1 change

3h 47m • 1 change
Arrives next day

10h 50m • 1 change

4h 16m • 1 change

3h 47m • 1 change
Arrives next day

10h 50m • 1 change

4h 16m • 1 change

3h 47m • 1 change
Arrives next day

10h 50m • 1 change
Want to know about travelling from Rostrenen to Châteaulin? 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 Rostrenen to Châteaulin. However, there are services departing from Rostrenen station and arriving at Châteaulin station via Gare SNCF. The journey, including transfers, takes approximately 5h 43m.
Rostrenen to Châteaulin bus services, operated by BreizhGo, depart from Croix Julou station.
Rostrenen to Châteaulin bus services, operated by BreizhGo, arrive at Quai Cosmao station.
The distance between Rostrenen and Châteaulin is 57.6 km. The road distance is 72 km.
You can take a bus from Croix Julou to Quai Cosmao via Gare SNCF in around 2h 30m.