How far is Oakland, CA from Diablo, CA?
The driving distance from Oakland, CA to Diablo, CA is about 23.9 miles (38.5 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 17.2 miles (27.7 km).
- For a round trip, plan for roughly 01h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 34m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Oakland and Diablo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oakland and Diablo.
-
1
Start on 14th Street
2014 ft · 1 min · 14th Street
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2
Turn right onto Castro Street
1078 ft · 35 sec · Castro Street
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3
Take the ramp straight toward I 980 East, CA 24: Walnut Creek, San Francisco, Hayward
1047 ft · 26 sec
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4
Merge slight left onto John B. Williams Freeway
1975 ft · 26 sec · John B. Williams Freeway
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5
Continue on Grove Shafter Freeway
4.5 mi · 5 min · Grove Shafter Freeway
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6
Keep slight left to continue on Grove Shafter Freeway
874 ft · 13 sec · Grove Shafter Freeway
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7
Continue on Caldecott Tunnel
8.8 mi · 10 min · Caldecott Tunnel
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8
Take the exit slight right toward I 680 South: Mount Diablo Boulevard, San Jose
1351 ft · 33 sec
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9
Keep slight right to continue on I 680 South: San Jose, Dublin, South Main Street
1.2 km · 2 min
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10
Merge slight left onto Senator Daniel E Boatwright Highway
1269 ft · 17 sec · Senator Daniel E Boatwright Highway
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11
Continue on Donald D Doyle Highway
1.4 mi · 2 min · Donald D Doyle Highway
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12
Keep slight right to continue on Donald D Doyle Highway
3.9 mi · 5 min · Donald D Doyle Highway
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13
Take the exit slight right toward El Cerro Boulevard
1175 ft · 36 sec
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14
Turn left onto El Cerro Boulevard
1.5 km · 2 min · El Cerro Boulevard
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15
Continue on Diablo Road
1.2 mi · 3 min · Diablo Road
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16
Turn left onto Alameda Diablo
2716 ft · 2 min · Alameda Diablo
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17
Turn left onto Club House Road
48 m · 7 sec · Club House Road
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18
Arrive at your destination
0 m · 1 sec · Club House Road
Car Route Details
A richer read on the saved driving route between Oakland and Diablo.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Caldecott Tunnel
Continue on Caldecott Tunnel
8.76 mi · 00h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms leaving Oakland and Showers And Thunderstorms near Diablo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oakland to Diablo?
The road trip is about 23.9 miles (38.5 km) and usually takes 00h 34m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Lafayette is a useful midpoint, sitting about 12 miles from Oakland and 12 miles from Diablo.
How much longer is the road route than the straight-line distance?
The direct path is about 17.2 miles (27.7 km), while the road route adds roughly 6.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:20 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.90 one way or $9.81 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Oakland and Showers And Thunderstorms near Diablo.
Stop Ideas Near Lafayette
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Frank H. Ogawa Plaza
Alameda City Clerk's Office
Old Maple Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lafayette.
Martinez station
Emeryville station
Oakland Coliseum station
Berkeley station
Flight Path Map
This map shows the direct air route between Oakland and Diablo. Straight-line distance: 17.2 mi (27.68 km).
#1 Oakland
The third most populous city in California, Oakland is a major center for business, manufacturing, and culture.
| Population | 424,891 |
| Coordinates | 37.8043700, -122.2708000 |
| Altitude | 13 |
| Country | United States |
#2 Diablo
CDP in Contra Costa County, California
| Population | 1,158 |
| Coordinates | 37.8349300, -121.9580100 |
| Altitude | 161 |
| Country | United States |
End: Diablo (-121.95801, 37.83493)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $4.90 | $9.81 |
| Mid-grade | $6.07 | $5.16 | $10.31 |
| Premium | $6.24 | $5.31 | $10.61 |
| Diesel | $7.57 | $6.43 | $12.86 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in California · Apr 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.