Domodossola to Siderno trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Domodossola and arrive at Siderno every about 2 hours on average. If travelling with Trenitalia, you need to know the Domodossola to Siderno train schedule: the first train leaves at 04:54, while the last ride is at 16:54. A Domodossola to Siderno train cost about 99.0 €. But how long is the train ride from Domodossola to Siderno? Your journey takes about 17 hours on average.