The average bus between Petaluma and Ross takes 1h 29m and the fastest bus takes 1h 15m. The bus service runs several times per day from Petaluma to Ross. 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 4 hours between Petaluma and Ross. The earliest departure is at 3:30 AM at night, and the last departure from Petaluma is at 5:30 PM which arrives into Ross at 6:55 PM. All services require a transfer, and take on average 1h 29m. The schedules shown below are for the next available departures.

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Want to know about travelling from Petaluma to Ross? 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 Ross. However, there are services departing from Petaluma station and arriving at Ross station via San Rafael. The journey, including transfers, takes approximately 1h 29m.
Petaluma to Ross bus services, operated by Groome Transportation, depart from Petaluma station.
Petaluma to Ross bus services, operated by Groome Transportation, arrive at Ross Sir Francis Drake Blvd & Lagunitas Rd station.
The distance between Petaluma and Ross is 30.9 km. The road distance is 40 km.
You can take a bus from Petaluma to Ross Sir Francis Drake Blvd & Lagunitas Rd via San Rafael Transit Center-Platform C in around 1h 20m.