The average bus between Sonoma and Marin County takes 5h 53m and the fastest bus takes 2h 49m. The bus service runs several times per day from Sonoma to Marin County. 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 4 times a day between Sonoma and Marin County. The earliest departure is at 6:15 AM in the morning, and the last departure from Sonoma is at 9:10 PM which arrives into Marin County at 7:41 AM. All services require a transfer at Petaluma Transit Mall and take an average of 5h 53m. The schedules shown below are for the next available departures.



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2h 57m • 3 changesWant to know about travelling from Sonoma to Marin County? 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 Sonoma to Marin County. However, there are services departing from Sonoma station and arriving at Marin County station via Petaluma Transit Mall. The journey, including transfers, takes approximately 5h 53m.
Sonoma to Marin County bus services, operated by Sonoma County Transit, depart from Sonoma Plaza station.
Sonoma to Marin County bus services, operated by Sonoma County Transit, arrive at Sir Francis Drake Blvd & Glen Dr station.
The distance between Sonoma and Marin County is 31.4 km. The road distance is 69 km.
You can take a bus from Sonoma Plaza to Sir Francis Drake Blvd & Glen Dr via Petaluma Transit Mall, Copeland Street Transit Mall south of Washington Street, E. Washington St. & Ellis St., Petaluma, and San Rafael Transit Center-Platform C in around 3h 41m.