The average train between Rennes and Châteaulin takes 4h 48m and the fastest train takes 2h 26m. The train service runs several times per day from Rennes 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.
Trains run 5 times a day between Rennes and Châteaulin. The earliest departure is at 9:39 AM in the morning, and the last departure from Rennes is at 9:29 PM which arrives into Châteaulin at 6:28 AM. All services require a transfer, and take on average 4h 48m. The schedules shown below are for the next available departures.

2h 53m • 1 change

2h 51m • 1 change

2h 52m • 1 change

2h 26m • 1 change

2h 51m • 1 change

3h 30m • 1 change

2h 52m • 1 change

3h 6m • 1 change

2h 51m • 1 change

3h 30m • 1 change

2h 52m • 1 change

3h 6m • 1 change

2h 51m • 1 change

3h 30m • 1 change

2h 52m • 1 change

3h 6m • 1 change

2h 51m • 1 change

3h 30m • 1 change

2h 52m • 1 change

3h 6m • 1 change
Want to know about travelling from Rennes 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 train from Rennes to Châteaulin. However, there are services departing from Rennes station and arriving at Châteaulin station via Quimper. The journey, including transfers, takes approximately 4h 48m.
Rennes to Châteaulin train services, operated by TGV inOui, depart from Rennes station.
Rennes to Châteaulin train services, operated by TGV inOui, arrive at Quimper station.
Book your Rennes to Châteaulin train tickets online with TGV inOui and Société Nationale des Chemins de fer Français (SNCF).
The distance between Rennes and Châteaulin is 179.6 km. The road distance is 274 km.
TGV inOui operates a train from Rennes to Quimper hourly. Tickets cost €50–80 and the journey takes 2h 5m. Société Nationale des Chemins de fer Français (SNCF) also services this route hourly.