There are 3 ways to get from Union Square to Castro Valley by subway, car, or taxi
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Union Square to Castro Valley by foot and subway
Questions & Answers
The cheapest way to get from Union Square to Castro Valley is to drive which costs $4 - $7 and takes 29 min.
The fastest way to get from Union Square to Castro Valley is to drive which takes 29 min and costs $4 - $7.
Yes, there is a direct train departing from Powell Street and arriving at Castro Valley. Services depart every 30 minutes, and operate every day. The journey takes approximately 35 min.
The distance between Union Square and Castro Valley is 22 miles. The road distance is 24.7 miles.
The best way to get from Union Square to Castro Valley without a car is to BART which takes 40 min and costs $5 - $7.
The BART from Powell Street to Castro Valley takes 35 min including transfers and departs every 30 minutes.
Union Square to Castro Valley train services, operated by BART, depart from Powell Street station.
Union Square to Castro Valley train services, operated by BART, arrive at Castro Valley station.
Yes, the driving distance between Union Square to Castro Valley is 25 miles. It takes approximately 29 min to drive from Union Square to Castro Valley.
There are 267+ hotels available in Castro Valley.
What companies run services between Union Square, San Francisco County, CA, USA and Castro Valley, CA, USA?
BART operates a subway from Powell Street to Castro Valley every 30 minutes. Tickets cost $5–7 and the journey takes 35 min.
- Phone
- +1-510-464-6000
- Website
- BART
Subway from Powell Street to Castro Valley
- Ave. Duration
- 35 min
- Frequency
- Every 30 minutes
- Estimated price
- $5–7
- Website
- BART
- Ave. Duration
- 29 min
- Estimated price
- $90–110
Coastside TAxi
- Phone
- +1 650-333-3505
- Website
- coastsidetaxi.com
SF Green Cab
- Phone
- +1 415-626-4733
- Website
- greencabsf.com
Yellow Cab
- Phone
- +1 415.333.3333
- Website
- yellowcabsf.com
Want to know more about travelling around the world?
Rome2Rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including Which London airport should I choose?, Travelling to the US: What do I need to know?, and Train travel in France: A guide to SNCF - to help you get the most out of your next trip.