Origin
Concord, CA
Late night in Concord on Saturday
Local time
2:42 AM
PDT
Current temp
66°F
Unavailable
Live forecast
Trip from Concord, CA to Brentwood, CA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
34m
Distance
26 mi
42 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$6
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 31m
★
6 AM
0h 34m
8 AM
0h 40m
10 AM
0h 36m
12 PM
0h 36m
3 PM
0h 36m
5 PM
0h 40m
8 PM
0h 32m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Concord, CA
Wikimedia Commons
Brentwood, CA
Wikimedia Commons
Trip Overview
The drive from Concord, CA to Brentwood, CA covers 26 miles and takes about 34m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on CA 4, Balfour Road, CA 242 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 20.2 miles on CA 4. At current regular gas prices, budget about $5.98 one way before food or hotel costs.
About the Cities
Starting in Concord, CA
Full guide →Concord is a residential and business city in the East Bay region of the San Francisco Bay Area in the state of California.
Arriving in Brentwood, CA
Full guide →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.
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 34m. Total distance: 26 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
34m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (83%). Some complex stretches to watch for.
Drive Character
This is a 34m highway drive covering 26 miles, with most of the trip on CA 4 and Balfour Road. The longest continuous stretch is about 20.2 miles on CA 4.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 11 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
CA 4 is the longest continuous segment at about 20.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on CA 4 and Balfour Road. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.9 miles in.
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 8 decision points packed into just 26 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 34m.
Where does it get tricky?
The main spots that need attention: at 0.9 miles: Lane positioning matters here; at 1.1 miles (CA 242): Merge point - match speed before joining. Lane positioning matters here; at 2.5 miles (CA 4): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 8 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
6
0.9 mi into trip
|
~2m in
Take the ramp toward CA 242 North
Lane positioning matters here
Use the right lane.
Toward CA 242 North
5
1.1 mi into trip
|
~3m in
|
CA 242
Merge onto CA 242
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
5
2.5 mi into trip
|
~4m in
|
CA 4
Merge onto CA 4
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
17.5 mi into trip
|
~21m in
|
CA 4
Keep slight left at fork onto CA 4
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
7
22.7 mi into trip
|
~27m in
Take the exit toward Balfour Road
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 35
Toward Balfour Road
Main Roads
| Road | Distance | Duration |
|---|---|---|
| CA 4 | 20.2 mi | 23m |
| Balfour Road | 2.4 mi | 4m |
| CA 242 | 1.3 mi | 1m |
| East Street | 0.6 mi | 1m |
| Brentwood Boulevard | 0.5 mi | <1m |
| Grant Street | 0.3 mi | <1m |
| Willow Pass Road | <0.1 mi | <1m |
Longest stretch:
CA 4
— 20.2 mi, about 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Concord, CA and Brentwood, CA.
1
Start on Willow Pass Road
143 ft
·
8 sec
·
Willow Pass Road
2
Turn left onto East Street
0.6 mi
·
1 min
·
East Street
3
Continue on Grant Street
0.3 mi
·
38 sec
·
Grant Street
4
Take the ramp
0.2 mi
·
28 sec
Toward CA 242 North
Use the right lane.
5
Merge onto CA 242
1.3 mi
·
1 min
·
CA 242
Use the straight / slight right lanes.
6
Merge onto CA 4
15 mi
·
17 min
·
CA 4
Use the straight / slight right lanes.
7
Keep slight left at fork onto CA 4
5.2 mi
·
6 min
·
CA 4
Use the straight / slight right lanes.
8
Take the exit
0.3 mi
·
41 sec
Exit 35
Toward Balfour Road
Use the slight right lane.
9
Turn left onto Balfour Road
2.4 mi
·
4 min
·
Balfour Road
Use the left lane.
10
Turn sharp left onto Brentwood Boulevard
0.5 mi
·
50 sec
·
Brentwood Boulevard
11
Arrive at destination
Brentwood Boulevard
Fuel & Cost
Regular Gas
$5.98 one way
$11.95 round trip
$5.84/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $6.16 | $12.32 |
| premium | $6.18 | $6.32 | $12.65 |
| diesel | $5.61 | $5.74 | $11.48 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 9.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.8 | 0 | $2.73 | $1.25 |
| Efficient EV | 6.5 | 0 | $2.28 | $1.04 |
| EV Truck/SUV | 10.4 | 0 | $3.64 | $1.66 |
Gas CO2
9 kg
EV CO2
3 kg (67% 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
Brentwood, CA
Late night in Brentwood on Saturday
Local time
2:42 AM
PDT
Current temp
--
Unavailable
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
34m 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.
Frequently Asked Questions
The drive from Concord, CA to Brentwood, CA covers 26 miles and takes about 34m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are CA 4, Balfour Road, CA 242. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 13 miles from Concord, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $5.98 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 8 decision points packed into just 26 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 34m.
The main spots that need attention: at 0.9 miles: Lane positioning matters here; at 1.1 miles (CA 242): Merge point - match speed before joining. Lane positioning matters here; at 2.5 miles (CA 4): Merge point - match speed before joining. Lane positioning matters here.
The route from Concord, CA to Brentwood, CA does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Port Chicago Naval Magazine National Memorial, Rosie the Riveter WWII Home Front National Historical Park and San Francisco Maritime National Historical Park.
How this page is built
Compiled by the Trip.ovh 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.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Brentwood, CA
More trips to Brentwood, CA
Explore more options from Concord, CA or browse trips ending in Brentwood, CA.
Looking for more statewide routes? Browse CA road trips.