Origin
Castro Valley, CA
Late night in Castro Valley on Tuesday
Local time
2:13 AM
PDT
Current temp
--
Unavailable
Trip from Castro Valley, CA to San Jose, CA
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
39m
Distance
29.4 mi
47 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 37m
★
6 AM
0h 40m
8 AM
0h 47m
10 AM
0h 42m
12 PM
0h 42m
3 PM
0h 43m
5 PM
0h 46m
8 PM
0h 38m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Castro Valley, CA
Wikimedia Commons
San Jose, CA
Wikimedia Commons
Trip Overview
Connecting Castro Valley to San Jose is a straightforward 29.4-mile trip that typically takes about 39 minutes to complete. Because of the manageable distance, this route is perfectly suited for a single-day excursion, requiring no overnight stays. You will primarily navigate via I-880, transitioning onto local arterials like Jackson Street and North 1st Street to reach your final destination. With a fuel budget of approximately $7, the trip is quite economical for travelers moving between these two Pacific Coast locations. Whether you are commuting or heading out for a quick visit, this drive offers a practical and efficient link between the East Bay and the heart of Silicon Valley.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 880 | 21.8 mi | 24m |
| Jackson Street | 1.7 mi | 3m |
| North 1st Street | 1.5 mi | 3m |
| Foothill Boulevard | 1.2 mi | 2m |
| Nimitz Freeway | 1.2 mi | 1m |
| Castro Valley Boulevard | 0.7 mi | 1m |
| Mission Boulevard | 0.3 mi | <1m |
| A Street | 0.2 mi | <1m |
Longest stretch:
I 880
— 21.8 mi, about 24m
Turn-by-Turn Driving Directions
Step-by-step road directions between Castro Valley, CA and San Jose, CA.
1
Start on Lake Chabot Road
60 ft
·
4 sec
·
Lake Chabot Road
2
Turn left onto Castro Valley Boulevard
0.7 mi
·
1 min
·
Castro Valley Boulevard
3
Turn left onto CA 238
1.2 mi
·
2 min
·
Foothill Boulevard
Use the left lane.
4
At end of road, turn right onto A Street
0.2 mi
·
34 sec
·
A Street
Use the right lane.
5
Turn left onto Mission Boulevard
0.3 mi
·
44 sec
·
Mission Boulevard
Use the left lane.
6
Turn slight right onto CA 92
1.7 mi
·
3 min
·
Jackson Street
Use the right lane.
7
Take the exit
0.4 mi
·
27 sec
Exit 26A
Toward I 880 South: San Jose
Use the slight right lane.
8
Merge onto I 880
1.2 mi
·
1 min
·
Nimitz Freeway
9
Keep slight left at fork onto I 880
2.4 mi
·
2 min
·
I 880
Use the slight left lane.
10
Keep slight left at fork onto I 880
19 mi
·
22 min
·
I 880
Use the slight left lane.
11
Take the exit
0.2 mi
·
26 sec
Exit 4A
Toward Downtown, North First Street
Use the straight / slight right lanes.
12
Turn left onto North 1st Street
1.5 mi
·
3 min
·
North 1st Street
Use the left / uturn lanes.
13
Turn right onto West Julian Street
494 ft
·
17 sec
·
West Julian Street
14
Turn left onto North Market Street
196 ft
·
6 sec
·
North Market Street
15
Arrive at destination
North Market Street
Heads-up: tricky spots
5 of 125 decision points cluster between mile 0.7 and 27.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.7 mi into trip
|
~1m in
|
CA 238 / Foothill Boulevard
Turn left onto CA 238 / Foothill Boulevard
Lane positioning matters here
Use the left lane.
6
1.9 mi into trip
|
~3m in
|
A Street
At end of road, turn right onto A Street
Lane positioning matters here
Use the right lane.
6
2.1 mi into trip
|
~4m in
|
Mission Boulevard
Turn left onto Mission Boulevard
Lane positioning matters here
Use the left lane.
7
4.1 mi into trip
|
~8m in
Take the exit toward I 880 South: San Jose
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 26A
Toward I 880 South: San Jose
8
27.5 mi into trip
|
~35m in
Take the exit toward Downtown, North First Street
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 4A
Toward Downtown, North First Street
Fuel & Cost
Regular Gas
$6.76 one way
$13.51 round trip
$5.84/gal
25.4 MPG avg
10 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $6.96 | $13.93 |
| premium | $6.18 | $7.15 | $14.30 |
| diesel | $5.61 | $6.49 | $12.98 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 10.3 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.8 | 0 | $3.09 | $1.41 |
| Efficient EV | 7.4 | 0 | $2.57 | $1.18 |
| EV Truck/SUV | 11.8 | 0 | $4.12 | $1.88 |
Gas CO2
10 kg
EV CO2
3 kg (70% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
San Jose, CA
Late night in San Jose on Tuesday
Local time
2:13 AM
PDT
Current temp
49°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Road read
39m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a highway-focused experience, as 78% of your journey is spent on major thoroughfares. The core of the drive features a significant 21.8-mile stretch on I-880, which serves as the primary artery for the trip. You should anticipate a fairly consistent pace while on the interstate, followed by a transition into surface streets as you approach San Jose. The road’s personality is defined by its utility and efficiency rather than scenic winding roads, making it a functional connection for those looking to reach their destination quickly. Staying focused on the high-speed flow of the interstate is key to navigating this segment of the Pacific Coast region successfully.
78% highway — fuel and pacing are the main things to plan.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 21.8 mi on I 880.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on I 880 and Jackson Street. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.7 miles in near CA 238 / Foothill Boulevard.
Driving Effort
8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 12 decision points packed into just 29.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 39m.
Where does it get tricky?
The main spots that need attention: at 0.7 miles (CA 238 / Foothill Boulevard): Lane positioning matters here; at 1.9 miles (A Street): Lane positioning matters here; at 2.1 miles (Mission Boulevard): Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Castro Valley, CA to San Jose, CA, road signs begin pointing toward Downtown along the way.
Downtown
27.5 mi in
|
~35m
About the Cities
Starting in Castro Valley, CA
Full guide →Castro Valley is an unincorporated town in the inner East Bay in the Bay Area of California. It has a population of about 60,000 and is located north of Hayward and east of San Leandro and south of the Oakland hills. Since it is unincorporated, Castro Valley is governed by the County of Alameda, which has its county seat in Oakland.
Arriving in San Jose, CA
Full guide →Founded 1777
Often called "the capital of Silicon Valley", San Jose is the largest city in the Bay Area, 3rd largest in California, and the 12th largest city in the United States, with a population of over 997,000 residents as of 2024. It was named the 6th safest big city in the U.S. in 2015. This clean, sprawling metropolis has sports, beautiful vistas, and ethnic enclaves and bleeds into the greater Bay Area for travelers who want to take their time in Northern California.
Top landmarks
- • Winchester Mystery House — Mansion in San Jose, California.
- • San Jose Diridon station — railway station complex in San Jose, California
- • Rosicrucian Egyptian Museum — building in San Jose, California, United States
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 39m. Total distance: 29.4 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
39m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (78%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 21.8 miles on I 880. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at San Jose, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.7 miles (CA 238 / Foothill Boulevard): Lane positioning matters here; at 1.9 miles (A Street): Lane positioning matters here; at 2.1 miles (Mission Boulevard): Lane positioning matters here.
Yes — San Francisco Maritime National Historical Park, Rosie the Riveter WWII Home Front National Historical Park and Port Chicago Naval Magazine National Memorial. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at San Jose, CA before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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