The average train between Rome and Sion takes 9h 31m and the fastest train takes 6h 48m. The train service runs several times per day from Rome to Sion. 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 twice daily between Rome and Sion. The earliest departure is at 1:01 PM in the afternoon, and the last departure from Rome is at 8:05 PM which arrives into Sion at 10:49 AM. All services require a transfer, and take on average 9h 31m. The schedules shown below are for the next available departures.

6h 48m • 1 change
7h 1m • 1 changeArrives next day

14h 44m • 1 change
6h 48m • 1 change
7h 1m • 1 changeArrives next day

14h 44m • 1 changeWant to know about travelling from Rome to Sion? 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 Rome to Sion. However, there are services departing from Rome station and arriving at Sion station via Milano Centrale. The journey, including transfers, takes approximately 9h 31m.
Rome to Sion train services, operated by ItaloTreno, depart from Roma Termini station.
Rome to Sion train services, operated by ItaloTreno, arrive at Sion station.
Book your Rome to Sion train tickets online with ItaloTreno and Trenitalia EuroCity.
The distance between Rome and Sion is 632.5 km. The road distance is 792 km.
You can take a train from Roma Termini to Sion via Milano Centrale in around 6h 44m.