There are 6 ways to get from Siena to Formia by bus, train, train (Trenitalia), car, or plane
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus, train
best- Take the bus from Siena to Roma, Autostazione Tiburtinabus 1520 / ...
- Take the train from Roma Termini to Formia-Gaetatrain Re
5h 11m€31–64Bus
cheapest- Take the bus from Siena, Stazione FS to Cassinobus
- Take the bus from CASSINO | Viale Garigliano Via Volturno # f4412 to FORMIA | Via Emanuele Filiberto # f4491bus Cs229a / ...
5h 57m€25–36Train (Trenitalia)
- Take the train from Siena to Chiusi-Chianciano T.train Re
- Take the train from Chiusi-Chianciano T. to Formia-Gaetatrain Ic
5h 15m€40–69Drive 360.7 km
- Drive from Siena to Formiacar 360.7 km
3h 55m€66–95Train, fly
- Take the train from Siena to Firenze S.M.N.train
- Fly from Florence Peretola Airport (FLR) to Fiumicino International Airport (FCO)plane FLR - FCO
- Take the train from Roma Termini to Formia-Gaetatrain
6h 28m€90–248Train via Rome
- Take the train from Siena to Firenze S.M.N.train Re
- Take the train from Firenze S.M.N. to Roma Terminitrain Fr
- Take the train from Roma Termini to Formia-Gaetatrain Re
5h 18m€53–100
Siena to Formia by bus and train
Comparing Your Travel Options
The cheapest way to get from Siena to Formia is to bus which costs €25 - €40 and takes 5h 57m.
The fastest way to get from Siena to Formia is to drive which takes 3h 55m and costs €65 - €95.
No, there is no direct bus from Siena to Formia. However, there are services departing from Siena, Stazione FS and arriving at FORMIA | Via Emanuele Filiberto # f4491 via CASSINO | Viale Garigliano Via Volturno # f4412. The journey, including transfers, takes approximately 5h 57m.
No, there is no direct train from Siena to Formia. However, there are services departing from Siena and arriving at Formia-Gaeta via Chiusi-Chianciano T.. The journey, including transfers, takes approximately 5h 15m.
The distance between Siena and Formia is 362 km. The road distance is 360.7 km.
The best way to get from Siena to Formia without a car is to bus and train which takes 5h 11m and costs €30 - €65.
It takes approximately 5h 11m to get from Siena to Formia, including transfers.
Siena to Formia bus services, operated by Autolinee Curcio, depart from Siena, Stazione FS station.
Siena to Formia train services, operated by Trenitalia, depart from Siena station.
The best way to get from Siena to Formia is to train which takes 5h 15m and costs €35 - €70. Alternatively, you can bus, which costs €25 - €40 and takes 5h 57m.
What companies run services between Siena, Italy and Formia, Italy?
You can take a train from Siena to Formia-Gaeta via Chiusi-Chianciano T. in around 5h 15m. Alternatively, you can take a bus from Siena, Stazione FS to FORMIA | Via Emanuele Filiberto # f4491 via Cassino and CASSINO | Viale Garigliano Via Volturno # f4412 in around 5h 57m.
- Website
- ita-airways.com
Flights from Florence Peretola Airport to Fiumicino International Airport
- Ave. Duration
- 55 min
- When
- Every day
- Estimated price
- €60–150
- Phone
- +39.06.5210550
- Website
- Trenitalia
Train from Roma Termini to Formia-Gaeta
- Ave. Duration
- 1h 33m
- Frequency
- Hourly
- Estimated price
- €15–21
- Website
- Trenitalia
Train from Siena to Chiusi-Chianciano T.
- Ave. Duration
- 1h 29m
- Frequency
- Every 2 hours
- Estimated price
- €10–15
- Website
- Trenitalia
Train from Siena to Firenze S.M.N.
- Ave. Duration
- 1h 34m
- Frequency
- Hourly
- Estimated price
- €11–16
- Website
- Trenitalia
Train from Roma Termini to Formia-Gaeta
- Ave. Duration
- 1h 33m
- Frequency
- Hourly
- Estimated price
- €15–21
- Website
- Trenitalia
Train from Siena to Firenze S.M.N.
- Ave. Duration
- 1h 34m
- Frequency
- Hourly
- Estimated price
- €11–16
- Website
- Trenitalia
Train from Firenze S.M.N. to Roma Termini
- Ave. Duration
- 3h 51m
- Frequency
- 4 times a day
- Estimated price
- €30–45
- Website
- Trenitalia
Train from Roma Termini to Formia-Gaeta
- Ave. Duration
- 1h 33m
- Frequency
- Hourly
- Estimated price
- €15–21
- Website
- Trenitalia
- Phone
- +39 06 68475475
- Website
- Trenitalia Intercity
Train from Roma Termini to Formia-Gaeta
- Ave. Duration
- 1h 7m
- Frequency
- Every 3 hours
- Estimated price
- €14–25
- Website
- Trenitalia Intercity
Train from Chiusi-Chianciano T. to Formia-Gaeta
- Ave. Duration
- 2h 46m
- Frequency
- Twice daily
- Estimated price
- €29–55
- Website
- Trenitalia Intercity
Train from Roma Termini to Formia-Gaeta
- Ave. Duration
- 1h 7m
- Frequency
- Every 3 hours
- Estimated price
- €14–25
- Website
- Trenitalia Intercity
Train from Firenze S.M.N. to Roma Termini
- Ave. Duration
- 2h 40m
- Frequency
- 6 times a week
- Estimated price
- €28–55
- Website
- Trenitalia Intercity
Train from Roma Termini to Formia-Gaeta
- Ave. Duration
- 1h 7m
- Frequency
- Every 3 hours
- Estimated price
- €14–25
- Website
- Trenitalia Intercity
- Phone
- +39 06 5210550
- Website
- Trenitalia Frecce
Train from Firenze S.M.N. to Roma Termini
- Ave. Duration
- 1h 36m
- Frequency
- Every 30 minutes
- Estimated price
- €35–60
- Website
- Trenitalia Frecce
- Phone
- +39 06 8937 1892
- Website
- Italo Treno
Train from Firenze S.M.N. to Roma Termini
- Ave. Duration
- 1h 47m
- Frequency
- 5 times a day
- Estimated price
- €30–50
- Website
- Italo Treno
Rome2Rio's guide to FlixBus
Contact Details
- Phone
- +49 30 300 137 300
- service@flixbus.com
- Website
- Flixbus
Bus from Siena to Roma, Autostazione Tiburtina
- Ave. Duration
- 2h 50m
- Frequency
- Hourly
- Estimated price
- €20–35
- Website
- Flixbus
- Phone
- +39 0972 24590
- booking@autolineemoretti.it
- Website
- autolineemoretti.it
Bus from Siena to Roma, Autostazione Tiburtina
- Ave. Duration
- 4h 5m
- Frequency
- 3 times a week
- Estimated price
- €16–18
- Schedules at
- autolineemoretti.it
- Phone
- +39 089 233 899
- salerno@autolineecurcio.it
- Website
- Curcio Viaggi
Bus from Siena, Stazione FS to Cassino
- Ave. Duration
- 3h 40m
- Frequency
- Once daily
- Estimated price
- €23–35
- Website
- Curcio Viaggi
- Phone
- 800 174 471
- Website
- Cotral S.p.A.
Bus from CASSINO | Viale Garigliano Via Volturno # f4412 to FORMIA | Via Emanuele Filiberto # f4491
- Ave. Duration
- 1h 6m
- Frequency
- Every 2 hours
- Estimated price
- €2–4
- Schedules at
- Cotral S.p.A.
Want to know more about travelling around Italy
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Italy Travel Guides
Read the travel guide
Want to know more about Flixbus?
Read the travel guide
5 incredible day trips from Florence by train
Read the travel guide
Booking & Getting There
Siena to Formia bus services, operated by Autolinee Curcio, arrive at Cassino station.
Siena to Formia train services, operated by Trenitalia, arrive at Chiusi-Chianciano T. station.
Yes, the driving distance between Siena to Formia is 361 km. It takes approximately 3h 55m to drive from Siena to Formia.
Book your Siena to Formia train tickets online with Omio.
There are 1080+ hotels available in Formia.






























