Traveling from Downey to San Jose covers 353.6 miles and typically takes about 5 hours and 40 minutes of driving time. Because the route relies on local roads rather than major interstates, it functions best as a focused, single-day trip. Budget approximately $48 for fuel to cover the distance between these two Pacific Coast locations. While the journey is manageable within one day, the turn-heavy nature of the path means you should prepare for constant engagement behind the wheel. Given the reliance on local streets, this is a practical trek for those who prefer navigating through the heart of the region rather than sticking to high-speed corridors.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
176.3 miles from Downey, CA
A natural place for your longest stop of the day
, about 3h 19m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
182.5 mi
3h 15m
Golden State Freeway
50 mi
57m
CA 152
41.1 mi
51m
I 5 Truck
37.7 mi
43m
South Valley Freeway
19.9 mi
22m
Santa Ana Freeway
6.9 mi
7m
CA 85
5.2 mi
6m
Guadalupe Parkway
4.3 mi
5m
Longest stretch:
Westside Freeway
— 182.5 mi, about 3h 15m
Turn-by-Turn Driving Directions
Step-by-step road directions between Downey, CA and San Jose, CA.
1
Start on this road
0.1 mi·49 sec·this road
2
Turn left onto 2nd Street
429 ft·22 sec·2nd Street
3
Turn right onto Downey Avenue
1.5 mi·2 min·Downey Avenue
4
Turn left onto Gallatin Road
0.3 mi·45 sec·Gallatin Road
5
Turn right onto Paramount Boulevard
0.2 mi·27 sec·Paramount Boulevard
Use the right lane.
6
Take the ramp
0.2 mi·25 sec
Toward I 5 North: Los Angeles
7
Merge onto I 5
6.9 mi·7 min·Santa Ana Freeway
Use the straight / slight right lanes.
8
Keep slight right at fork onto I 5
25 mi·29 min·Golden State Freeway
Use the straight / slight right lanes.
9
Keep slight left at fork onto I 5
2.2 mi·2 min·Golden State Freeway
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 5 Truck
1.5 mi·1 min·I 5 Truck
Exit 161AToward I 5 Truck North, CA 14 TruckUse the straight / slight right lanes.
11
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
12
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
13
Keep slight right at fork onto I 5
183 mi·3 hr 15 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
14
Take the exit
0.2 mi·26 sec
Exit 403BToward CA 152 West: Gilroy, Hollister, San Jose
15
Continue on CA 152; CA33
29 mi·33 min·CA 152; CA33
Use the straight lane.
16
Keep slight right at fork onto CA 152
12 mi·16 min·CA 152
17
Take the exit onto CA 152
0.5 mi·1 min·CA 152
Toward US 101 North: San Jose
18
Merge onto US 101; CA 152
20 mi·22 min·South Valley Freeway
Use the slight right lane.
19
Keep slight right at fork onto CA 85
5.2 mi·6 min·CA 85
Exit 377BToward CA 85 North: Cupertino, Mountain ViewUse the slight right lane.
20
Take the exit
0.6 mi·51 sec
Exit 5AToward CA 87 North: Downtown San JoseUse the straight / slight right lanes.
21
Continue on CA 87
4.3 mi·5 min·Guadalupe Parkway
Use the straight / slight right lanes.
22
Continue on CA 87
0.4 mi·29 sec·Guadalupe Freeway
Use the straight / slight right lanes.
23
Take the exit
0.2 mi·19 sec
Exit 6Toward CA 82Use the straight / slight right lanes.
24
Keep slight left at fork
0.5 mi·51 sec
Toward CA 87 North: Santa Clara Street, Julian StreetUse the slight left lane.
25
Keep slight left at fork
0.3 mi·35 sec
Toward CA 87 NorthUse the straight / slight right lanes.
26
Keep slight right at fork
0.2 mi·26 sec
Exit 6BToward Julian StreetUse the straight / slight right lanes.
27
Turn right onto West Saint James Street
0.2 mi·28 sec·West Saint James Street
Use the straight lane.
28
Turn left onto North Market Street
416 ft·8 sec·North Market Street
29
Arrive at destination
North Market Street
Trip Plan
To make the most of your 353.6-mile drive, plan for at least one dedicated stop to break up the monotony of the turn-heavy local roads. Leaving early in the morning is your best bet to manage the 5 hour and 40 minute duration before traffic patterns on local streets become unpredictable. Keep your $48 fuel budget in mind when selecting your refilling points, as local road stops may vary in price compared to major highway gas stations. Since you aren't tied to a fast-moving highway, use the flexibility of this route to pull over safely whenever you need a breather from the frequent turning. Always double-check your turn-by-turn navigation before departing, as local roads require more precise attention than following a single interstate sign.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 176.3 miles from Downey, CA, or about 3h 19m into the drive.
The longest continuous stretch on this route runs about 182.5 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 78 miles or 1h 33m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 176.3 miles or 3h 19m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 5h 25m
Traffic, exits, and arrival timing usually matter more near San Jose, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Downey, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Downey, CA
This is one driving day of about 352.6 miles and 6h 39m.
Your first comfortable stop window is around 78 miles from Downey, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 182.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 24
5 decision points cluster between mile 36.9 and 352.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
9
36.9 mi into trip|~46m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward I 5 Truck North, CA 14 Truck
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 161A
Toward I 5 Truck North, CA 14 Truck
7
96.9 mi into trip|~1h 54m in|I 5 / Westside Freeway
Keep slight right at fork onto I 5 / Westside Freeway toward I 5 North
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 5 North
9
340.6 mi into trip|~6h 24m in|CA 85
Keep slight right at fork onto CA 85 toward CA 85 North: Cupertino, Mountain View
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 377B
Toward CA 85 North: Cupertino, Mountain View
8
351.4 mi into trip|~6h 37m in
Keep slight left at fork toward CA 87 North: Santa Clara Street, Julian Street
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward CA 87 North: Santa Clara Street, Julian...
9
352.1 mi into trip|~6h 38m in
Keep slight right at fork toward Julian Street
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 6B
Toward Julian Street
Fuel & Cost
Regular Gas
$81.04 one way
$162.08 round trip
$5.84/gal25.4 MPG avg123 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$83.51
$167.03
premium
$6.18
$85.75
$171.50
diesel
$5.61
$77.85
$155.70
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$81
Meals
$25–$50
Total
$106–$131
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 123.4 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $37 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
105.8
1
$37.02
$16.92
Efficient EV
88.2
1
$30.85
$14.10
EV Truck/SUV
141
1
$49.36
$22.57
Gas CO2
123 kg
EV CO2
41 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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.
Forecast as of Apr 18, 2026
Origin
Downey, CA
Morning
in Downey on Sunday
Local time
10:26 AM
PDT
Current temp
72°F
Unavailable
Live forecast
Destination
San Jose, CA
Morning
in San Jose on Sunday
Local time
10:26 AM
PDT
Current temp
74°F
Sunny
NW 7 to 10 mph0% chanceLive forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
2 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
6h 39m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Santa Monica Mountains National Recreation Area
National Recreation Area
The Santa Monica Mountains offer easy access to surprisingly wild places. Experience the famous beaches of Malibu or explore more than 500 miles of trails. The park abounds with historical and cultura...
22 mi from route
~55 min detour
Free
near mile 36.5
Yes, we can! Widely recognized as the most important Latino leader in the United States during the twentieth century, Cesar Chavez led farm workers and supporters in the establishment of the country's...
27 mi from route
~67 min detour
Free
near mile 97.3
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a very different experience than a standard freeway commute, as this route features zero highway miles. Instead, you will navigate a turn-heavy local drive using 2nd Street, Downey Avenue, and Gallatin Road as your primary connectors. Since there are no long stretches on high-speed roads—with the longest stretch being 0 miles on 2nd Street—you will find yourself frequently adjusting your speed and direction. This character makes the 353.6-mile journey feel much more hands-on and technical than a typical interstate slog. Stay alert, as the constant turns require your full attention throughout the entire 5 hour and 40 minute transit.
99% highway — fuel and pacing are the main things to plan.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 182.5 mi on Westside Freeway.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Golden State Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 36.9 miles in near I 5 Truck.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 24 significant decision points across 352.6 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 36.9 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 96.9 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 340.6 miles (CA 85): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
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 Downey, CA to San Jose, CA, road signs begin pointing toward Hollister along the way.
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.
Doable as a same-day drive at 6h 39m. Total distance: 352.6 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
6h 39m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 182.5 miles on Westside Freeway. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 36.9 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 96.9 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 340.6 miles (CA 85): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Santa Monica Mountains National Recreation Area and César E. Chávez National Monument. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 6.7 hours each way, a round trip means 13.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at San Jose, CA before the return drive.
