We can't tell you where every possible regional train in the whole of Italy stops, the list would be too long!

For a given train / route though, the easiest way to check is with Bahn.de, the website of the German railways. Put in the start station and the end station, then pick a train, then click Show intermediate stops to see the stops on the way

Picking Rome to Venice as an example, head to Bahn.de, enter Rome and Venice and a suitable day (eg a weekday or weekend, or the real date if it's under 3 months away), and get the listing up like this:

[![DB example][1]][1]

Then click Show intermediate stops and see them, eg

[![More Example][2]][2]

Try it out for the routes of interest! [1]: https://i.sstatic.net/ViXDb.png [2]: https://i.sstatic.net/SRARm.png

We can't tell you where every possible regional train in the whole of Italy stops, the list would be too long!

For a given train / route though, the easiest way to check is with Bahn.de, the website of the German railways. Put in the start station and the end station, then pick a train, then click Show intermediate stops to see the stops on the way

Picking Rome to Venice as an example, head to Bahn.de, enter Rome and Venice and a suitable day (eg a weekday or weekend, or the real date if it's under 3 months away), and get the listing up like this:

Then click Show intermediate stops and see them, eg

Try it out for the routes of interest!