Origin
Oakland, CA
Late night in Oakland on Friday
Local time
12:59 AM
PDT
Current temp
67°F
Unavailable
Live forecast
Trip from Oakland, CA to Byron, CA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
1h 3m
Distance
51.3 mi
83 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$12
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 58m
★
6 AM
1h 3m
8 AM
1h 14m
10 AM
1h 7m
12 PM
1h 6m
3 PM
1h 7m
5 PM
1h 13m
8 PM
1h 0m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Oakland, CA
Wikimedia Commons
Byron, CA
Tori Pezzulla❤️
Trip Overview
This straightforward 51.3-mile drive from Oakland, CA, to Byron, CA, is a quick trip that can easily be completed in about 1 hour and 3 minutes. It's a perfect candidate for a single-day adventure, requiring no overnight stays. You'll primarily be navigating CA 4, which includes the Caldecott Tunnel and Grove Shafter Freeway, making it a highway-focused experience. The estimated fuel cost for this journey is around $12. Given that both your origin and destination are within the Pacific Coast region, you won't be crossing any major geographical or climate zones, ensuring a consistent travel environment. This route is ideal for those seeking an efficient and uncomplicated drive.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 3m. Total distance: 51.3 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 3m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (62%). Some complex stretches to watch for.
Drive Character
Expect a highway-centric journey for 62% of this 51.3-mile trip. The route is largely defined by CA 4, offering a consistent driving experience for extended periods, including a significant 23-mile stretch without needing to exit. While the specific road conditions aren't detailed beyond its highway focus, the profile suggests a predictable and relatively fast pace for most of the drive. You'll likely encounter a mix of freeway driving and potentially some surface street transitions as you approach your destination. This isn't a winding, scenic byway, but rather a functional corridor designed for efficient travel.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 16 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 23 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on CA 4 and Caldecott Tunnel. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.6 miles in.
Driving Effort
9/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 51.3 miles you will encounter 12 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 0.6 miles: Multiple destination signs - pick the right one; at 15.6 miles (I 680 / Senator Daniel E Boatwright Highway): Merge point - match speed before joining. Lane positioning matters here; at 19.4 miles (CA 242): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 12 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.6 mi into trip
|
~1m in
Take the ramp toward I 980 East, CA 24: Walnut Creek, San Francisco, Hayward
Multiple destination signs - pick the right one
Toward I 980 East, CA 24: Walnut Creek, San Fra...
5
15.6 mi into trip
|
~19m in
|
I 680 / Senator Daniel E Boatwright Highway
Merge onto I 680 / Senator Daniel E Boatwright Highway
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
9
19.4 mi into trip
|
~24m in
|
CA 242
Keep slight right at fork onto CA 242 toward CA 242 North: Concord, Pittsburg
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 50
Toward CA 242 North: Concord, Pittsburg
5
23.3 mi into trip
|
~28m in
|
CA 4
Merge onto CA 4
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
38.3 mi into trip
|
~45m 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.
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 Oakland, CA to Byron, CA, road signs begin pointing toward Pittsburg along the way.
Pittsburg
19.4 mi in
|
~24m
|
via CA 242
Main Roads
| Road | Distance | Duration |
|---|---|---|
| CA 4 | 23 mi | 26m |
| Caldecott Tunnel | 9.8 mi | 11m |
| Grove Shafter Freeway | 4.6 mi | 5m |
| CA 242 | 3.9 mi | 4m |
| Senator Daniel E Boatwright Highway | 3.8 mi | 4m |
| Vasco Road | 3.4 mi | 4m |
| Camino Diablo | 1.6 mi | 3m |
| 14th Street | 0.4 mi | 1m |
Longest stretch:
CA 4
— 23 mi, about 26m
Turn-by-Turn Driving Directions
Step-by-step road directions between Oakland, CA and Byron, CA.
1
Start on 14th Street
0.4 mi
·
1 min
·
14th Street
2
Turn right onto Castro Street
0.2 mi
·
34 sec
·
Castro Street
3
Take the ramp
0.2 mi
·
25 sec
Toward I 980 East, CA 24: Walnut Creek, San Francisco, Hayward
4
Merge onto I 980
0.4 mi
·
25 sec
·
John B. Williams Freeway
5
Continue on I 980
4.5 mi
·
5 min
·
Grove Shafter Freeway
Toward CA 24: Berkeley, Walnut Creek
Use the straight / slight right lanes.
6
Keep slight left at fork onto CA 24
0.2 mi
·
13 sec
·
Grove Shafter Freeway
7
Continue on CA 24
9.8 mi
·
11 min
·
Caldecott Tunnel
Use the straight / slight right lanes.
8
Merge onto I 680
3.8 mi
·
4 min
·
Senator Daniel E Boatwright Highway
Use the straight / slight right lanes.
9
Keep slight right at fork onto CA 242
3.9 mi
·
4 min
·
CA 242
Exit 50
Toward CA 242 North: Concord, Pittsburg
Use the slight right lane.
10
Merge onto CA 4
15 mi
·
17 min
·
CA 4
Use the straight / slight right lanes.
11
Keep slight left at fork onto CA 4
8.0 mi
·
9 min
·
CA 4
Use the straight / slight right lanes.
12
Continue on Vasco Road
3.4 mi
·
4 min
·
Vasco Road
Use the left / straight / right lanes.
13
Turn left onto Camino Diablo
1.6 mi
·
3 min
·
Camino Diablo
14
Turn right onto J4
158 ft
·
8 sec
·
Byron Highway
15
Turn left
17 ft
·
1 sec
16
Arrive at destination
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 25.7 mi from Oakland, CA · 30m into the drive
Mid-route town
Meal stop
26 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 11 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 25.7 miles from Oakland, CA, which is a good place for a longer meal and fuel stop.
Arriving in Byron, CA
The final approach into Byron, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$11.79 one way
$23.58 round trip
$5.84/gal
25.4 MPG avg
18 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $12.15 | $24.30 |
| premium | $6.18 | $12.48 | $24.95 |
| diesel | $5.61 | $11.33 | $22.65 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$12
Estimated CO2 emission: 17.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 15.4 | 0 | $5.39 | $2.46 |
| Efficient EV | 12.8 | 0 | $4.49 | $2.05 |
| EV Truck/SUV | 20.5 | 0 | $7.18 | $3.28 |
Gas CO2
18 kg
EV CO2
6 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
Byron, CA
Late night in Byron on Friday
Local time
12:59 AM
PDT
Current temp
--
Unavailable
64°F
Lafayette, CA
26 mi in
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
1h 3m 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 Oakland, CA to Byron, CA covers 51.3 miles and takes about 1h 3m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are CA 4, Caldecott Tunnel, Grove Shafter Freeway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 25.7 miles from Oakland, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $11.79 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 51.3 miles you will encounter 12 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 0.6 miles: Multiple destination signs - pick the right one; at 15.6 miles (I 680 / Senator Daniel E Boatwright Highway): Merge point - match speed before joining. Lane positioning matters here; at 19.4 miles (CA 242): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from Oakland, CA to Byron, CA, road signs begin pointing toward Pittsburg along the way.
How this page is built
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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