The average bus between San Mateo and Petaluma takes 2h 27m and the fastest bus takes 2h 13m. There is a bus service every few hours from San Mateo 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 hourly between San Mateo and Petaluma. The earliest departure is at 4:14 AM at night, and the last departure from San Mateo is at 11:39 PM which arrives into Petaluma at 2:00 AM. All services require a transfer at SFO Airport Terminal 2-Lower Level and take an average of 2h 27m. The schedules shown below are for the next available departures.

2h 18m • 1 change

2h 32m • 1 change

2h 27m • 1 change

2h 21m • 1 change

2h 22m • 1 change

2h 22m • 1 change

2h 21m • 1 change

2h 20m • 1 change

2h 22m • 1 change

2h 22m • 1 change

2h 21m • 1 change

2h 20m • 1 change

2h 46m • 1 change

2h 46m • 1 change

2h 16m • 1 change

2h 14m • 1 change
Want to know about travelling from San Mateo 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 San Mateo to Petaluma. However, there are services departing from San Mateo station and arriving at Petaluma station via SFO Airport Terminal 2-Lower Level. The journey, including transfers, takes approximately 2h 27m.
San Mateo to Petaluma bus services, operated by SamTrans, depart from S Delaware St & 2nd Ave station.
San Mateo to Petaluma bus services, operated by SamTrans, arrive at Petaluma station.
The distance between San Mateo and Petaluma is 79.3 km. The road distance is 99 km.
You can take a bus from S Delaware St & 2nd Ave to Petaluma via SFO Airport Terminal 2-Lower Level and San Francisco Airport in around 2h 58m.