There are 3 ways to get from Grenoble to Riom by bus, train (TGV), or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus
best- Take the bus from Grenoble to Lyonbus S1777 / ...
- Take the bus from Lyon to Clermont-Ferrandbus FlixBus N1149 / ...
4h 13m€21–41Train
- Take the train from Grenoble to Lyon Part Dieutrain Ter
- Take the train from Lyon Part Dieu to Riom Chatel Guyontrain Ter
4h 30m€58–98Drive 265.6 km
- Drive from Grenoble to Riomcar 265.6 km
2h 59m€43–62
Grenoble to Riom by bus and train
Comparing Your Travel Options
The cheapest way to get from Grenoble to Riom is to bus which costs €21 - €45 and takes 4h 13m.
The fastest way to get from Grenoble to Riom is to drive which takes 2h 59m and costs €40 - €65.
No, there is no direct bus from Grenoble to Riom. However, there are services departing from Grenoble and arriving at Gare SNCF via Lyon and Maison de la Culture. The journey, including transfers, takes approximately 4h 13m.
No, there is no direct train from Grenoble to Riom. However, there are services departing from Grenoble and arriving at Riom Chatel Guyon via Lyon Part Dieu. The journey, including transfers, takes approximately 4h 30m.
The distance between Grenoble and Riom is 285 km. The road distance is 265.6 km.
The best way to get from Grenoble to Riom without a car is to bus which takes 4h 13m and costs €21 - €45.
It takes approximately 4h 13m to get from Grenoble to Riom, including transfers.
Grenoble to Riom bus services, operated by FlixBus, depart from Grenoble station.
Grenoble to Riom train services, operated by Société Nationale des Chemins de fer Français (SNCF), depart from Grenoble station.
The best way to get from Grenoble to Riom is to bus which takes 4h 13m and costs €21 - €45. Alternatively, you can train, which costs €55 - €100 and takes 4h 30m.
What companies run services between Grenoble, France and Riom, France?
You can take a bus from Grenoble to Riom Chatel Guyon via Lyon, Clermont-Ferrand, Maison de la Culture, Gare SNCF, and Clermont Ferrand in around 4h 13m. Alternatively, you can take a train from Grenoble to Riom Chatel Guyon via Lyon Part Dieu in around 4h 30m.
Rome2Rio's guide to Société Nationale des Chemins de fer Français (SNCF)
Contact DetailsContact Details
- Phone
- +33 1 84 94 36 35
- Website
- Oui.SNCF
Train from Grenoble to Lyon Part Dieu
- Ave. Duration
- 1h 23m
- Frequency
- Every 30 minutes
- Estimated price
- €22–40
- Website
- Oui.SNCF
Train from Lyon Part Dieu to Riom Chatel Guyon
- Ave. Duration
- 2h 18m
- Frequency
- Hourly
- Estimated price
- €35–60
- Website
- Oui.SNCF
- Phone
- +33 1 84 94 36 35
- Website
- TGV inOui
Train from Grenoble to Lyon Part Dieu
- Ave. Duration
- 1h 23m
- Frequency
- Twice a week
- Estimated price
- €25–40
- Website
- TGV inOui
Rome2Rio's guide to FlixBus
Contact DetailsContact Details
- Phone
- +49 30 300 137 300
- [email protected]
- Website
- Flixbus
Bus from Grenoble to Lyon
- Ave. Duration
- 1h 20m
- Frequency
- Every 2 hours
- Estimated price
- €8–13
- Website
- Flixbus
Bus from Lyon to Clermont-Ferrand
- Ave. Duration
- 2h
- Frequency
- Hourly
- Estimated price
- €13–21
- Website
- Flixbus
- Phone
- +3 318 576 2228
- Website
- BlaBlaCar Bus
Bus from Grenoble to Lyon
- Ave. Duration
- 1h 45m
- Frequency
- Every 30 minutes
- Estimated price
- €7–12
- Website
- BlaBlaCar Bus
Bus from Lyon to Clermont-Ferrand
- Ave. Duration
- 2h 44m
- Frequency
- Every 30 minutes
- Estimated price
- €11–18
- Website
- BlaBlaCar Bus
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Booking & Getting There
Grenoble to Riom bus services, operated by FlixBus, arrive at Lyon station.
Grenoble to Riom train services, operated by Société Nationale des Chemins de fer Français (SNCF), arrive at Lyon Part Dieu station.
Yes, the driving distance between Grenoble to Riom is 266 km. It takes approximately 2h 59m to drive from Grenoble to Riom.
Book your Grenoble to Riom train tickets online with Omio.
Book your Grenoble to Riom bus tickets online with Omio.
There are 1277+ hotels available in Riom.




















