Mentana to Comiso 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. You can count on 3 daily rides to get from Mentana to Comiso. Trains leave from Monterotondo-Mentana,Roma Termini and arrive at Comiso every about 4 hours on average. The trip by train from Mentana to Comiso last on average 15:22 travelling with high-speed trains (Frecciarossa or Italotreno) If travelling with Trenitalia, you need to know the Mentana to Comiso train schedule: the first train leaves at 06:02, while the last ride is at 07:35. A Mentana to Comiso train cost about 80.65 €. But how long is the train ride from Mentana to Comiso? Your journey takes about 16 hours on average.