The average bus between Mill Valley and Sonoma County takes 3h 10m and the fastest bus takes 2h 11m. The bus service runs several times per day from Mill Valley to Sonoma 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 every 3 hours between Mill Valley and Sonoma County. The earliest departure is at 7:34 AM in the morning, and the last departure from Mill Valley is at 10:55 PM which arrives into Sonoma County at 7:45 AM. All services require a transfer, and take on average 3h 10m. The schedules shown below are for the next available departures.

2h 42m • 1 change

2h 51m • 1 change
Arrives next day

8h 51m • 1 change

2h 11m • 1 change

2h 12m • 1 change

2h 42m • 1 change

2h 12m • 1 change

2h 39m • 1 change

2h 41m • 1 change

2h 41m • 1 change

2h 41m • 1 change

2h 39m • 1 change

2h 41m • 1 change

2h 41m • 1 change

2h 41m • 1 change

2h 11m • 1 change

2h 12m • 1 change

2h 42m • 1 change

2h 12m • 1 change

2h 11m • 1 change

2h 12m • 1 change

2h 42m • 1 change

2h 12m • 1 change
Want to know about travelling from Mill Valley to Sonoma 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 Mill Valley to Sonoma County. However, there are services departing from Mill Valley station and arriving at Sonoma County station via Sonoma Co Airport Terminal. The journey, including transfers, takes approximately 3h 10m.
Mill Valley to Sonoma County bus services, operated by Marin Transit, depart from San Rafael station.
Mill Valley to Sonoma County bus services, operated by Marin Transit, arrive at Sonoma Co Airport Terminal station.
The distance between Mill Valley and Sonoma County is 72.3 km. The road distance is 89 km.
Groome Transportation operates a bus from San Rafael to Sonoma Co Airport Terminal every 3 hours. Tickets cost $25–55 and the journey takes 1h 30m.