The average bus between Vatican City and Siena takes 3h 37m and the fastest bus takes 3h 21m. The bus service runs several times per day from Vatican City to Siena. 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 every 3 hours between Vatican City and Siena. The earliest departure is at 5:42 AM in the morning, and the last departure from Vatican City is at 9:03 PM which arrives into Siena at 12:40 AM. All services require a transfer, and take on average 3h 37m. The schedules shown below are for the next available departures.

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3h 46m • 1 changeWant to know about travelling from Vatican City to Siena? 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 Vatican City to Siena. However, there are services departing from Giulio Cesare/Ottaviano station and arriving at Siena station via Roma, Autostazione Tiburtina station. The journey, including transfers, takes approximately 3h 37m.
Vatican City to Siena bus services, operated by ATAC S.p.A. Azienda per la mobilità, depart from Giulio Cesare/Ottaviano station.
Vatican City to Siena bus services, operated by FlixBus, arrive at Siena station.
Book your Vatican City to Siena bus tickets online with Omio.
The distance between Vatican City and Siena is 182.2 km. The road distance is 235 km.
You can take a bus from Giulio Cesare/Ottaviano to Siena via Roma, Autostazione Tiburtina in around 4h 11m.