The average train between Cardiff and Rennes takes 8h 40m and the fastest train takes 7h. The train service runs several times per day from Cardiff to Rennes. 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 every 2 hours between Cardiff and Rennes. The earliest departure is at 5:07 AM in the morning, and the last departure from Cardiff is at 9:20 PM which arrives into Rennes at 12:19 PM. All services require a transfer at London Paddington and take an average of 8h 40m. The schedules shown below are for the next available departures.




8h 37m • 4 changes




8h 35m • 4 changes




8h 44m • 4 changes




8h 34m • 4 changes




8h 41m • 4 changes




8h 33m • 4 changes




8h 35m • 4 changes




8h 39m • 4 changes




8h 41m • 4 changes




8h • 4 changes




8h 35m • 4 changes




8h 8m • 4 changes




8h 41m • 4 changes




8h 33m • 4 changes




8h 35m • 4 changes




8h 8m • 4 changes




8h 34m • 4 changes




8h 37m • 4 changes




8h 35m • 4 changes




8h 27m • 4 changes
Want to know about travelling from Cardiff to Rennes? 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 Cardiff to Rennes. However, there are services departing from Cardiff station and arriving at Rennes station via London Paddington. The journey, including transfers, takes approximately 8h 40m.
Cardiff to Rennes train services, operated by Great Western Railway (GWR), depart from Cardiff Central station.
Cardiff to Rennes train services, operated by Great Western Railway (GWR), arrive at Rennes station.
Book your Cardiff to Rennes train tickets online with Great Western Railway (GWR), London Underground (Tube) and 4 other operators.
The distance between Cardiff and Rennes is 389.8 km. The road distance is 1,049 km.
You can take a train from Cardiff Central to Rennes via London Paddington, Paddington, King's Cross St. Pancras station, London St Pancras Intl, Paris Nord, Gare du Nord, Montparnasse Bienvenue, and Paris Montparnasse 1 Et 2 in around 7h 47m.