The average train between Grenoble and Riom takes 4h 56m and the fastest train takes 3h 58m. The train service runs several times per day from Grenoble to Riom. 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 4 hours between Grenoble and Riom. The earliest departure is at 9:21 AM in the morning, and the last departure from Grenoble is at 9:21 PM which arrives into Riom at 8:49 AM. All services require a transfer, and take on average 4h 56m. The schedules shown below are for the next available departures.

3h 58m • 1 change

4h 31m • 1 change

3h 58m • 1 change

3h 58m • 1 change

3h 58m • 1 change

4h 31m • 1 change

3h 58m • 1 change

3h 58m • 1 change

3h 58m • 1 change

4h 31m • 1 change

3h 58m • 1 change

3h 58m • 1 change

3h 58m • 1 change

4h 31m • 1 change

3h 58m • 1 change

3h 58m • 1 change

4h 28m • 1 change

4h 31m • 1 change

4h 28m • 1 change

4h 28m • 1 change

4h 28m • 1 change

4h 31m • 1 change

4h 28m • 1 change

4h 28m • 1 change

3h 58m • 1 change

4h 31m • 1 change

3h 58m • 1 change

3h 58m • 1 change
Want to know about travelling from Grenoble to Riom? 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 Riom. However, there are services departing from Grenoble station and arriving at Riom station via Lyon Part Dieu. The journey, including transfers, takes approximately 4h 56m.
Grenoble to Riom train services, operated by Société Nationale des Chemins de fer Français (SNCF), depart from Grenoble station.
Grenoble to Riom train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Riom Chatel Guyon station.
Book your Grenoble to Riom train tickets online with Société Nationale des Chemins de fer Français (SNCF).
The distance between Grenoble and Riom is 217.7 km. The road distance is 335 km.
You can take a train from Grenoble to Riom Chatel Guyon via Lyon Part Dieu in around 4h 28m.