Trapani to Erba 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 Trapani and arrive at Roma Termini every about 6 hours on average. If travelling with Trenitalia, you need to know the Trapani to Erba train schedule: the first train leaves at 16:01, while the last ride is at 16:01. A Trapani to Erba train cost about 108.2 €. But how long is the train ride from Trapani to Erba? Your journey takes about 17 hours on average. Thanks to Trenitalia, offers, you can save on your trip from Trapani to Erba and find low cost tickets starting from 51 €!