The average bus between Walnut Creek and Petaluma takes 3h 25m and the fastest bus takes 2h 27m. The bus service runs several times per day from Walnut Creek to Petaluma. 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 3 times a day between Walnut Creek and Petaluma. The earliest departure is at 9:08 AM in the morning, and the last departure from Walnut Creek is at 7:28 PM which arrives into Petaluma at 12:05 PM. All services require a transfer at Martinez Amtrak Unloading and take an average of 3h 25m. The schedules shown below are for the next available departures.

2h 57m • 1 change
2h 27m • 1 change
2h 37m • 1 change
3h 2m • 1 changeWant to know about travelling from Walnut Creek to Petaluma? 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 Walnut Creek to Petaluma. However, there are services departing from Walnut Creek BART station and arriving at Petaluma station via Martinez Amtrak Unloading station. The journey, including transfers, takes approximately 3h 25m.
Walnut Creek to Petaluma bus services, operated by County Connection, depart from Walnut Creek BART station.
Walnut Creek to Petaluma bus services, operated by Amtrak, arrive at Petaluma station.
The distance between Walnut Creek and Petaluma is 61.8 km. The road distance is 75 km.
You can take a bus from Walnut Creek BART to Petaluma via Martinez Amtrak Unloading and Martinez in around 2h 45m.