Origin
Diamond, CA
Late night in Diamond on Saturday
Local time
3:18 AM
PDT
Current temp
--
Unavailable
Trip from Diamond, CA to Antioch, CA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
8m
Distance
5.9 mi
9 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$1
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 8m
★
6 AM
0h 9m
8 AM
0h 10m
10 AM
0h 9m
12 PM
0h 9m
3 PM
0h 9m
5 PM
0h 10m
8 PM
0h 8m
★
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Antioch, CA
Wikimedia Commons
Trip Overview
The drive from Diamond, CA to Antioch, CA covers 5.9 miles and takes about 8m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on CA 4, A Street, Railroad Avenue for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 3.9 miles on CA 4. At current regular gas prices, budget about $0.80 one way before food or hotel costs.
About the Cities
Arriving in Antioch, CA
Full guide →Antioch is in eastern Contra Costa County in California.
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 8m. Total distance: 5.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
8m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (67%). Straightforward navigation.
Drive Character
This is a 8m highway drive covering 5.9 miles, with most of the trip on CA 4 and A Street. The longest continuous stretch is about 3.9 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 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 3.9 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on CA 4 and A Street. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near West 17th Street.
Driving Effort
4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 8m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (West 17th Street): Navigation decision point; at 0.6 miles: Lane positioning matters here; at 1.2 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.
5
0 mi into trip
|
~0m in
|
West 17th Street
Turn right onto West 17th Street
Navigation decision point
7
0.6 mi into trip
|
~1m in
Turn left toward CA 4 East: Stockton
Lane positioning matters here
Use the left lane.
Toward CA 4 East: Stockton
5
1.2 mi into trip
|
~2m in
|
CA 4
Merge onto CA 4
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
5.1 mi into trip
|
~6m 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
5.9 mi into trip
|
~8m 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 | 3.9 mi | 4m |
| A Street | 0.5 mi | <1m |
| Railroad Avenue | 0.3 mi | <1m |
| Civic Avenue | 0.2 mi | <1m |
| Lone Tree Way | <0.1 mi | <1m |
| West 17th Street | <0.1 mi | <1m |
| Dimaggio Avenue | <0.1 mi | <1m |
| East 18th Street | <0.1 mi | <1m |
Longest stretch:
CA 4
— 3.9 mi, about 4m
Turn-by-Turn Driving Directions
Step-by-step road directions between Diamond, CA and Antioch, CA.
1
Start on Dimaggio Avenue
97 ft
·
6 sec
·
Dimaggio Avenue
2
Turn right onto West 17th Street
260 ft
·
11 sec
·
West 17th Street
3
Continue on Civic Avenue
0.2 mi
·
37 sec
·
Civic Avenue
4
Turn right onto Railroad Avenue
0.3 mi
·
41 sec
·
Railroad Avenue
5
Turn left
0.6 mi
·
45 sec
Toward CA 4 East: Stockton
Use the left lane.
6
Merge onto CA 4
3.9 mi
·
4 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
$0.80 one way
$1.60 round trip
$3.45/gal
25.4 MPG avg
2 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $3.85 | $0.89 | $1.79 |
| premium | $4.15 | $0.96 | $1.93 |
| diesel | $3.75 | $0.87 | $1.74 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$1
Estimated CO2 emission: 2.1 kg one way.
Driving Electric?
About $1 in charging · 0 stops · 50% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 1.8 | 0 | $0.62 | $0.28 |
| Efficient EV | 1.5 | 0 | $0.52 | $0.24 |
| EV Truck/SUV | 2.4 | 0 | $0.83 | $0.38 |
Gas CO2
2 kg
EV CO2
1 kg (50% 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
Late night in Antioch on Saturday
Local time
3:18 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
8m 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 Diamond, CA to Antioch, CA covers 5.9 miles and takes about 8m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are CA 4, A Street, Railroad Avenue. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 2.9 miles from Diamond, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $0.80 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 straightforward 8m drive. You will face about 7 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (West 17th Street): Navigation decision point; at 0.6 miles: Lane positioning matters here; at 1.2 miles (CA 4): Merge point - match speed before joining. Lane positioning matters here.
The route from Diamond, CA to Antioch, CA does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Port Chicago Naval Magazine National Memorial and Rosie the Riveter WWII Home Front 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, and NPS for national parks. See our methodology for refresh cadence and limitations.
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