The average bus between Mill Valley and Sonoma takes 9h 58m and the fastest bus takes 9h 55m. There is at least one bus per day from Mill Valley to Sonoma. 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 once daily between Mill Valley and Sonoma. The earliest departure is at 8:54 PM in the evening, and the last departure from Mill Valley is at 10:55 PM which arrives into Sonoma at 8:50 AM. All services require a transfer at San Rafael and take an average of 9h 58m. The schedules shown below are for the next available departures.
Arrives next day



10h 1m • 3 changes
Arrives next day



9h 56m • 3 changes
Arrives next day



10h 1m • 3 changes
Arrives next day



9h 56m • 3 changes
Want to know about travelling from Mill Valley to Sonoma? 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 Mill Valley to Sonoma. However, there are services departing from Mill Valley station and arriving at Sonoma station via Petaluma. The journey, including transfers, takes approximately 9h 58m.
Mill Valley to Sonoma bus services, operated by Marin Transit, depart from San Rafael station.
Mill Valley to Sonoma bus services, operated by Marin Transit, arrive at Sonoma Plaza station.
The distance between Mill Valley and Sonoma is 43.7 km. The road distance is 73 km.
You can take a bus from E Blithedale Ave & Hill St to Sonoma Plaza via San Rafael, Petaluma, E. Washington St. west of Ellis St., E. Washington St. south of Lakeville, and Petaluma Transit Mall in around 4h 14m.