The average bus between Petaluma and Marin County takes 1h 46m and the fastest bus takes 1h 27m. The bus service runs several times per day from Petaluma 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 every 3 hours between Petaluma and Marin County. The earliest departure is at 3:30 AM at night, and the last departure from Petaluma is at 7:30 PM which arrives into Marin County at 8:59 PM. All services require a transfer, and take on average 1h 46m. The schedules shown below are for the next available departures.

3h 8m • 1 change

1h 28m • 1 change

1h 34m • 1 change

1h 46m • 1 change

3h 8m • 1 change

1h 28m • 1 change

1h 34m • 1 change

1h 46m • 1 change

3h 8m • 1 change

1h 28m • 1 change

1h 34m • 1 change

1h 46m • 1 change

2h 11m • 1 change

1h 29m • 1 change

2h 13m • 1 change

1h 29m • 1 change

2h 11m • 1 change

1h 29m • 1 change

2h 13m • 1 change

1h 29m • 1 change

3h 8m • 1 change

1h 28m • 1 change

1h 34m • 1 change

1h 46m • 1 change
Want to know about travelling from Petaluma 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 Petaluma to Marin County. However, there are services departing from Petaluma station and arriving at Marin County station via San Rafael. The journey, including transfers, takes approximately 1h 46m.
Petaluma to Marin County bus services, operated by Groome Transportation, depart from Petaluma station.
Petaluma to Marin County bus services, operated by Groome Transportation, arrive at Sir Francis Drake Blvd & Glen Dr station.
The distance between Petaluma and Marin County is 21.3 km. The road distance is 43 km.
You can take a bus from Petaluma to Sir Francis Drake Blvd & Glen Dr via San Rafael Transit Center-Platform C in around 1h 36m.