The average bus between San Carlos and Santa Rosa takes 3h 34m and the fastest bus takes 3h 1m. There is a bus service every few hours from San Carlos to Santa Rosa. 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 Carlos and Santa Rosa. The earliest departure is at 3:28 AM at night, and the last departure from San Carlos is at 11:16 PM which arrives into Santa Rosa at 2:30 AM. All services require a transfer at Millbrae Transit Center-Bay C1 and take an average of 3h 34m. The schedules shown below are for the next available departures.


3h 27m • 2 changes


3h 27m • 2 changes


3h 27m • 2 changes


3h 27m • 2 changes


4h 1m • 2 changes


3h 32m • 2 changes


3h 17m • 2 changes


3h 27m • 2 changes


4h 1m • 2 changes


3h 17m • 2 changes


3h 5m • 2 changes


3h 5m • 2 changes
Want to know about travelling from San Carlos to Santa Rosa? 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 Carlos to Santa Rosa. However, there are services departing from San Carlos station and arriving at Santa Rosa station via Millbrae Transit Center- Bay G1. The journey, including transfers, takes approximately 3h 34m.
San Carlos to Santa Rosa bus services, operated by SamTrans, depart from El Camino Real & San Carlos Ave station.
San Carlos to Santa Rosa bus services, operated by SamTrans, arrive at Santa Rosa station.
The distance between San Carlos and Santa Rosa is 111.1 km. The road distance is 133 km.
You can take a bus from El Camino Real & San Carlos Ave to Santa Rosa via Millbrae Transit Center-Bay C1, SFO Airport Terminal 2-Lower Level, and San Francisco Airport in around 4h 4m.