Origin
Concord, CA
Evening in Concord on Thursday
Local time
8:29 PM
PDT
Current temp
66°F
Unavailable
Live forecast
Trip from Concord, CA to Antioch, CA
Last recalculated Apr 17, 2026
Drive Time
20m
Distance
15.8 mi
25 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 19m
★
6 AM
0h 21m
8 AM
0h 24m
10 AM
0h 22m
12 PM
0h 22m
3 PM
0h 22m
5 PM
0h 24m
8 PM
0h 20m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Concord, CA
Wikimedia Commons
Antioch, CA
Wikimedia Commons
Trip Overview
This quick 15.8-mile drive from Concord to Antioch, California, is designed for a single day, easily completed in about 20 minutes. The route primarily utilizes CA 4 and CA 242, with East Street also playing a role. With a modest fuel cost estimated at $4, this is a very budget-friendly trip. You'll spend most of your time on highways, making it a straightforward journey. Given its short distance and duration, this drive is perfect for a quick errand, a commute, or adding onto a larger Pacific Coast adventure without requiring an overnight stay.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 20m. Total distance: 15.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
20m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (88%). Some complex stretches to watch for.
Drive Character
Expect a highway-focused drive for 88% of this trip, totaling 15.8 miles. The longest uninterrupted stretch you'll encounter is 12.5 miles on CA 4. This route is characterized by its efficiency, designed to get you from point A to point B with minimal fuss. You'll likely experience a consistent pace on these main roads, with limited opportunities for spontaneous detours off the primary path. The drive progresses by transitioning you smoothly between these key state highways.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 12 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 12.5 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on CA 4 and CA 242. You will hit about 7 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.9 miles in.
Driving Effort
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 15.8 miles you will encounter 7 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
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 7 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.
8
15 mi into trip
|
~18m in
Take the exit toward Lone Tree Way, A 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 28
Toward Lone Tree Way, A Street
6
15.8 mi into trip
|
~20m in
|
East 18th Street
Turn right onto East 18th Street
Lane positioning matters here
Use the right lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| CA 4 | 12.5 mi | 14m |
| CA 242 | 1.3 mi | 1m |
| East Street | 0.6 mi | 1m |
| A Street | 0.5 mi | <1m |
| Grant Street | 0.3 mi | <1m |
| Lone Tree Way | <0.1 mi | <1m |
| Willow Pass Road | <0.1 mi | <1m |
| East 18th Street | <0.1 mi | <1m |
Longest stretch:
CA 4
— 12.5 mi, about 14m
Turn-by-Turn Driving Directions
Step-by-step road directions between Concord, CA and Antioch, 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
13 mi
·
14 min
·
CA 4
Use the straight / slight right lanes.
7
Take the exit
0.2 mi
·
29 sec
Exit 28
Toward Lone Tree Way, A Street
Use the straight / slight right lanes.
8
Turn straight
111 ft
·
4 sec
9
Turn left onto Lone Tree Way
301 ft
·
13 sec
·
Lone Tree Way
Use the left lane.
10
Continue on A Street
0.5 mi
·
55 sec
·
A Street
11
Turn right onto East 18th Street
70 ft
·
1 sec
·
East 18th Street
Use the right lane.
12
Arrive at destination
East 18th Street
Fuel & Cost
Regular Gas
$3.63 one way
$7.26 round trip
$5.84/gal
25.4 MPG avg
6 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $3.74 | $7.48 |
| premium | $6.18 | $3.84 | $7.68 |
| diesel | $5.61 | $3.49 | $6.98 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 5.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.7 | 0 | $1.66 | $0.76 |
| Efficient EV | 4 | 0 | $1.38 | $0.63 |
| EV Truck/SUV | 6.3 | 0 | $2.21 | $1.01 |
Gas CO2
6 kg
EV CO2
2 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
Antioch, CA
Evening in Antioch on Thursday
Local time
8:29 PM
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
20m 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 Antioch, CA covers 15.8 miles and takes about 20m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are CA 4, CA 242, East Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 7.9 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 $3.63 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 drive requires moderate attention. Across 15.8 miles you will encounter 7 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
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 Antioch, CA does not surface many named destination signs beyond the main corridor.
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