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Mill Valley to Sonoma County buses

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Trip Overview

The average bus between Mill Valley and Sonoma County takes 3h 6m and the fastest bus takes 2h 11m. The bus service runs several times per day from Mill Valley to Sonoma 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.

3h 6m
Duration
56 mi
Distance
$47
Average price
Every 4 hours
Frequency

Mill Valley to Sonoma County bus times

Buses run every 4 hours between Mill Valley and Sonoma County. The earliest departure is at 7:34 AM in the morning, and the last departure from Mill Valley is at 10:55 PM which arrives into Sonoma County at 7:45 AM. All services require a transfer, and take on average 3h 6m. The schedules shown below are for the next available departures.

Departing Tuesday, November 10, 2026

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    Marin TransitGroome Transportation2h 11m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
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    Marin TransitGroome Transportation2h 42m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
  • Show more

Departing Thursday, November 12, 2026

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    Marin TransitGroome Transportation2h 11m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
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    Marin TransitGroome Transportation2h 42m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
  • Show more

Departing Friday, November 13, 2026

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    Marin TransitGroome Transportation2h 11m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
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    Marin TransitGroome Transportation2h 42m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
  • Show more

Departing Sunday, November 15, 2026

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    Marin TransitGroome Transportation2h 39m • 1 change
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    Marin TransitGroome Transportation2h 41m • 1 change
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    Marin TransitGroome Transportation2h 41m • 1 change
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    Marin TransitGroome Transportation2h 41m • 1 change
  • Show more

Departing Monday, November 16, 2026

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    Marin TransitGroome Transportation2h 11m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
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    Marin TransitGroome Transportation2h 42m • 1 change
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    Marin TransitGroome Transportation2h 12m • 1 change
  • Show more

Frequently asked questions

Want to know about travelling from Mill Valley to Sonoma 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.

Map of how to get from Mill Valley to Sonoma County.ExpandLaunch map view
  • Distance: 55.5 mi
  • Duration: 3h 6m

What companies run services between Mill Valley, CA, USA and Sonoma County, CA, USA?

Groome Transportation operates a bus from San Rafael to Sonoma Co Airport Terminal every 3 hours. Tickets cost $25–55 and the journey takes 1h 30m.

Operators