The average train between Rennes and Châteaulin takes 4h 43m 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 4 times a day between Rennes and Châteaulin. The earliest departure is at 8:27 AM in the morning, and the last departure from Rennes is at 10:29 PM which arrives into Châteaulin at 8:25 AM. All services require a transfer, and take on average 4h 43m. The schedules shown below are for the next available departures.

3h 5m • 1 change

2h 52m • 1 change

3h 6m • 1 change
Arrives next day

9h 30m • 1 change

3h 4m • 1 change

3h 5m • 1 change

2h 46m • 1 change

3h 30m • 1 change

2h 59m • 1 change

2h 53m • 1 change

3h 46m • 1 change
Arrives next day

14h 20m • 1 change

2h 53m • 1 change

2h 51m • 1 change

2h 50m • 1 change

2h 26m • 1 change

4h 6m • 1 change

2h 52m • 1 change

3h 6m • 1 change
Arrives next day

9h 30m • 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 43m.
Rennes to Châteaulin train services, operated by Société Nationale des Chemins de fer Français (SNCF), depart from Rennes station.
Rennes to Châteaulin train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Quimper station.
Book your Rennes to Châteaulin train tickets online with Société Nationale des Chemins de fer Français (SNCF) and TGV inOui.
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 every 2 hours. Tickets cost €45–80 and the journey takes 2h 5m. Société Nationale des Chemins de fer Français (SNCF) also services this route hourly.