The average train between Grenoble and Nantes takes 8h 38m and the fastest train takes 5h 59m. The train service runs several times per day from Grenoble to Nantes. 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 Grenoble and Nantes. The earliest departure is at 8:21 AM in the morning, and the last departure from Grenoble is at 9:21 PM which arrives into Nantes at 11:19 AM. All services require a transfer, and take on average 8h 38m. The schedules shown below are for the next available departures.

5h 59m • 1 change

8h 29m • 1 change

8h 44m • 1 change

6h 20m • 1 change

5h 59m • 1 change

8h 29m • 1 change

8h 44m • 1 change

6h 20m • 1 change

6h 29m • 1 change

8h 29m • 1 change

8h 44m • 1 change

6h 50m • 1 change

6h 29m • 1 change

8h 29m • 1 change

8h 44m • 1 change

6h 50m • 1 change

5h 59m • 1 change

8h 29m • 1 change

8h 44m • 1 change

6h 20m • 1 change
Want to know about travelling from Grenoble to Nantes? 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 Grenoble to Nantes. However, there are services departing from Grenoble station and arriving at Nantes station via Lyon Part Dieu. The journey, including transfers, takes approximately 8h 38m.
Grenoble to Nantes train services, operated by Société Nationale des Chemins de fer Français (SNCF), depart from Grenoble station.
Grenoble to Nantes train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Nantes station.
Book your Grenoble to Nantes train tickets online with Société Nationale des Chemins de fer Français (SNCF) and TGV inOui.
The distance between Grenoble and Nantes is 603.3 km. The road distance is 934 km.
You can take a train from Grenoble to Nantes via Lyon Part Dieu in around 6h 27m.