The average train between Rome and Trieste takes 5h 49m and the fastest train takes 5h 43m. The train service runs several times per day from Rome to Trieste. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 2 hours between Rome and Trieste. The earliest departure is at 5:55 AM in the morning, and the last departure from Rome is at 5:55 PM which arrives into Trieste at 11:38 PM. All services require a transfer, and take on average 5h 49m. The schedules shown below are for the next available departures.

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Want to know about travelling from Rome to Trieste? 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 train from Rome to Trieste. However, there are services departing from Rome station and arriving at Trieste station via Venezia Mestre. The journey, including transfers, takes approximately 5h 49m.
Rome to Trieste train services, operated by ItaloTreno, depart from Roma Termini station.
Rome to Trieste train services, operated by ItaloTreno, arrive at Trieste Centrale station.
Book your Rome to Trieste train tickets online with ItaloTreno, Trenitalia and Trenitalia Intercity.
The distance between Rome and Trieste is 429.2 km. The road distance is 711 km.
You can take a train from Roma Termini to Trieste Centrale via Venezia Mestre in around 6h 55m.