Riverside, CA to Brentwood, CA is 394.7 miles and takes about 7h 31m via Westside Freeway and I-5 Truck, with a fuel budget near $91 and enough daylight to finish in a day. This drive connects two points within California's Pacific Coast region. It's a largely highway-focused trip, making it straightforward for those looking to cover ground efficiently. Given the relatively short duration, it's a feasible one-day excursion, but be prepared for a solid amount of time behind the wheel.
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
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
197.3 miles from Riverside, CA
A natural place for your longest stop of the day
, about 3h 49m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
225.6 mi
4h 1m
Foothill Freeway
43.9 mi
50m
I 5 Truck
37.1 mi
42m
Golden State Freeway
22.3 mi
25m
William Elton Brown Freeway
13.9 mi
14m
Pomona Freeway
12.1 mi
13m
Byron Highway
6.7 mi
10m
Van Buren Boulevard
6.1 mi
8m
Longest stretch:
Westside Freeway
— 225.6 mi, about 4h 1m
Turn-by-Turn Driving Directions
Step-by-step road directions between Riverside, CA and Brentwood, CA.
1
Start on this road
181 ft·13 sec·this road
2
Turn right
94 ft·7 sec
3
Turn right onto Magnolia Avenue
228 ft·14 sec·Magnolia Avenue
4
Turn left onto Central Avenue
3.5 mi·6 min·Central Avenue
Use the left lane.
5
Turn right onto Van Buren Boulevard
6.1 mi·8 min·Van Buren Boulevard
Use the right lane.
6
Continue on Mission Boulevard
0.3 mi·24 sec·Mission Boulevard
Use the straight lane.
7
Take the ramp
0.3 mi·41 sec
Toward CA 60 West
8
Merge onto CA 60
12 mi·13 min·Pomona Freeway
Use the straight / slight right lanes.
9
Take the exit
0.2 mi·29 sec
Exit 29BToward CA 71 South, CA 71 North: Corona, PomonaUse the straight / slight right lanes.
10
Keep slight right at fork
0.5 mi·1 min
Toward CA 71 North: PomonaUse the slight right lane.
11
Keep slight left at fork
0.2 mi·19 sec
Use the straight / slight right lanes.
12
Merge onto CA 71
3.5 mi·4 min·Chino Valley Freeway
Use the straight / slight right lanes.
13
Keep slight left at fork
0.7 mi·1 min
Toward CA 57 North
14
Continue on CA 57
3.4 mi·3 min·CA 57
Use the straight / slight right lanes.
15
Keep slight left at fork
1.1 mi·2 min
Exit 25CToward I 210 West: Pasadena
16
Merge onto I 210
18 mi·21 min·Foothill Freeway
Use the straight / slight right lanes.
17
Keep slight right at fork onto I 210
26 mi·29 min·Foothill Freeway
Exit 26AToward I 210 West: SacramentoUse the straight / slight right lanes.
18
Keep slight right at fork
0.1 mi·9 sec
Use the slight right lane.
19
Merge onto I 5 Truck
1.0 mi·1 min·I 5 Truck
Exit 161A
20
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
21
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
22
Keep slight right at fork onto I 5
226 mi·4 hr 1 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
23
Keep slight left at fork onto I 580
14 mi·14 min·William Elton Brown Freeway
Toward I 580 West: Tracy, San Francisco
24
Take the exit
0.2 mi·22 sec
25
Keep slight right at fork
288 ft·7 sec
Toward Patterson Pass Road
26
Turn straight onto Mountain House Parkway
0.7 mi·1 min·Mountain House Parkway
Use the straight lane.
27
Turn right onto International Parkway
0.8 mi·1 min·International Parkway
28
Continue on Mountain House Parkway
2.8 mi·5 min·Mountain House Parkway
Use the straight lane.
29
At end of road, turn left onto J4
1.8 mi·2 min·Byron Road
Use the slight left lane.
30
Continue on J4
1.5 mi·2 min·Byron-Bethany Road
31
Continue on J4
6.7 mi·10 min·Byron Highway
32
At end of road, turn left onto CA 4
1.4 mi·2 min·CA 4
Use the left / straight lanes.
33
Continue on Brentwood Boulevard
3.7 mi·5 min·Brentwood Boulevard
34
Arrive at destination
Brentwood Boulevard
Trip Plan
To make the most of this 7.5-hour drive, consider departing Riverside early, ideally before 7 AM, to bypass peak morning traffic. With two recommended stops, you can plan for a break around the halfway point or whenever you feel the need to stretch. Keep an eye on your fuel gauge, as the $91 budget is based on current prices and the 394.7-mile distance. Since this is a one-day trip, you have the flexibility to adjust your stop times based on real-time conditions or personal preference.
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 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 197.3 miles from Riverside, CA, or about 3h 49m into the drive.
The longest continuous stretch on this route runs about 225.6 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 87 miles or 1h 48m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 197.3 miles or 3h 49m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 6h 17m
Traffic, exits, and arrival timing usually matter more near Brentwood, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Riverside, 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.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
Day 1
Settle into the route from Riverside, CA
This is one driving day of about 394.7 miles and 7h 31m.
Your first comfortable stop window is around 87 miles from Riverside, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 225.6 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 25
5 decision points cluster between mile 0.1 and 135.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.1 mi into trip|~0m in|Central Avenue
Turn left onto Central Avenue
Lane positioning matters here
Use the left lane.
8
22.4 mi into trip|~30m in
Take the exit toward CA 71 South, CA 71 North: Corona, Pomona
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 29B
Toward CA 71 South, CA 71 North: Corona, Pomona
7
22.6 mi into trip|~30m in
Keep slight right at fork toward CA 71 North: Pomona
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward CA 71 North: Pomona
8
50.4 mi into trip|~1h 5m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 210 West: Sacramento
7
135.5 mi into trip|~2h 43m 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
Fuel & Cost
Regular Gas
$90.72 one way
$181.44 round trip
$5.84/gal25.4 MPG avg138 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$93.48
$186.97
premium
$6.18
$95.99
$191.97
diesel
$5.61
$87.14
$174.29
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$91
Meals
$25–$50
Total
$116–$141
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 138.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $41 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
118.4
1
$41.44
$18.95
Efficient EV
98.7
1
$34.54
$15.79
EV Truck/SUV
157.9
1
$55.26
$25.26
Gas CO2
138 kg
EV CO2
46 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 19, 2026
Origin
Riverside, CA
Late night
in Riverside on Tuesday
Local time
3:56 AM
PDT
Current temp
55°F
Partly Cloudy
S 0 to 5 mph0% chanceLive forecast
Destination
Brentwood, CA
Late night
in Brentwood on Tuesday
Local time
3:56 AM
PDT
Current temp
--
Unavailable
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.
Road read
7h 31m 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.
Port Chicago Naval Magazine National Memorial
National Memorial
On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two s...
20 mi from route
~50 min detour
Free
near mile 394.7
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
~56 min detour
Free
near mile 81.7
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
~66 min detour
Free
near mile 136.1
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is 93% highway, meaning you'll spend most of your time on high-speed freeways. The longest continuous stretch on the Westside Freeway measures 225.6 miles. Expect a significant amount of merging and exiting in urban and suburban areas, especially as you navigate out of the greater Los Angeles region. The profile is mostly highway, so surface streets will be minimal, likely only at the very beginning and end of your trip.
93% highway — fuel and pacing are the main things to plan.
34 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 225.6 mi on Westside Freeway.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Central Avenue.
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 25 significant decision points across 394.7 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 0.1 miles (Central Avenue): Lane positioning matters here; at 22.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 22.6 miles: Highway fork - watch signs carefully. 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.
Between Riverside, CA and Brentwood, CA, road signs point toward Pomona and San Francisco.
Riverside is a city in Riverside County in California. With a population of over 300,000, the city plays host to a diverse cross-section of people and has a rich history. Riverside is approximately 55 miles east of downtown Los Angeles. It is a center for higher education, with one community college, a large state university, and two private universities. A hub of regional commerce and transportation, it is a city with an intriguing past and a promising future, and is worth a visit.
Top landmarks
•Mission Inn — hotel in Riverside, California
•Universalist Unitarian Church of Riverside — church building in Riverside, California, USA
•First Congregational Church of Riverside — church building in Riverside, California, United States of America
Brentwood is an affluent, suburban city in eastern Contra Costa County, California with a popular downtown for visitors coming from the Sacramento Valley to the county. It serves as one of the eastern gateways to the East Bay, along with Livermore. Many in the city are commuters.
Top landmarks
•Stone House of John Marsh — historic stone house in Contra Costa County, California
Doable as a same-day drive at 7h 31m. Total distance: 394.7 miles.
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
Solo Traveler
7h 31m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 225.6 miles on Westside Freeway. The full list of main roads is in the Roads section above.
Yes — we found about 33 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 Brentwood, 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 2 meaningful breaks. There are 33 rest areas along the route for bathroom stops.
The main spots that need attention: at 0.1 miles (Central Avenue): Lane positioning matters here; at 22.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 22.6 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Port Chicago Naval Magazine National Memorial, 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 7.5 hours each way, a round trip means 15.1 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Brentwood, CA before the return drive.
