The average bus between Trieste and Roma S. Pietro takes 10h and the fastest bus takes 9h 34m. The bus service runs several times per day from Trieste to Roma S. Pietro. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run 3 times a day between Trieste and Roma S. Pietro. The earliest departure is at 12:50 AM at night, and the last departure from Trieste is at 8:45 PM which arrives into Roma S. Pietro at 7:01 AM. All services require a transfer, and take on average 10h. The schedules shown below are for the next available departures.

9h 37m • 1 change

10h 12m • 1 change
Arrives next day

10h 16m • 1 change

9h 34m • 1 change

10h 9m • 1 change
Arrives next day

10h 16m • 1 change

9h 34m • 1 change

10h 9m • 1 change
Arrives next day

10h 16m • 1 change

9h 34m • 1 change

10h 9m • 1 change
Arrives next day

10h 16m • 1 change
Want to know about travelling from Trieste to Roma S. Pietro? 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 bus from Trieste to Roma S. Pietro. However, there are services departing from Trieste station and arriving at Roma S. Pietro station via Roma, Autostazione Tiburtina. The journey, including transfers, takes approximately 10h.
Trieste to Roma S. Pietro bus services, operated by FlixBus, depart from Trieste station.
Trieste to Roma S. Pietro bus services, operated by FlixBus, arrive at Roma, Autostazione Tiburtina station.
The distance between Trieste and Roma S. Pietro is 430.7 km. The road distance is 682 km.
FlixBus operates a bus from Trieste to Roma, Autostazione Tiburtina 3 times a day. Tickets cost €55–100 and the journey takes 8h 30m.