Oakland to Petaluma is 42.6 miles and takes about 57 minutes via Redwood Highway, with a fuel budget near $9 and enough daylight to finish in a day. This trip stays within California's Pacific Coast region, transitioning from the East Bay to the North Bay. Expect a mix of freeway cruising and surface street driving as you make your way north. Given the relatively short distance and time, this route is ideal for a quick day trip or an easy addition to a longer California itinerary.
Main Roads
Road
Distance
Duration
Redwood Highway
19.6 mi
23m
John T. Knox Freeway
12.9 mi
17m
Eastshore Freeway
3.3 mi
4m
Petaluma Boulevard South
1.9 mi
3m
MacArthur Freeway
1.7 mi
2m
14th Street
0.4 mi
1m
John B. Williams Freeway
0.4 mi
<1m
Castro Street
0.2 mi
<1m
Longest stretch:
Redwood Highway
— 19.6 mi, about 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Oakland, CA and Petaluma, 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
Take the exit
0.3 mi·38 sec
Toward I 580: San Francisco, HaywardUse the slight right lane.
6
Keep slight left at fork
0.6 mi·1 min
Toward I 580 West: San Francisco, MacArthur FreewayUse the slight left / slight right lanes.
7
Merge onto I 580
1.7 mi·2 min·MacArthur Freeway
Use the straight / slight right lanes.
8
Continue on I 80; I 580
3.3 mi·4 min·Eastshore Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto I 580
13 mi·17 min·John T. Knox Freeway
Exit 13BToward I 580 West: Point Richmond, San RafaelUse the straight / slight right lanes.
10
Keep slight left at fork
0.7 mi·54 sec
Exit 1AToward US 101 North: San Rafeal
11
Merge onto US 101
20 mi·23 min·Redwood Highway
Use the straight / slight right lanes.
12
Take the exit
0.3 mi·40 sec
Exit 472AToward Petaluma Boulevard South, Kastania RoadUse the straight / slight right lanes.
13
Turn right onto Kastania Road
304 ft·14 sec·Kastania Road
Use the straight / right lanes.
14
Continue on Petaluma Boulevard South
0.8 mi·1 min·Petaluma Boulevard South
Use the left lane.
15
Enter roundabout onto Petaluma Boulevard South
98 ft·1 sec·Petaluma Boulevard South
16
Continue on Petaluma Boulevard South
1.1 mi·2 min·Petaluma Boulevard South
Use the straight / right lanes.
17
Arrive at destination
Petaluma Boulevard South
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 21.3 miles from Oakland, CA, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 14
5 decision points cluster between mile 1.2 and 40.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
1.2 mi into trip|~2m in
Take the exit toward I 580: San Francisco, Hayward
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 580: San Francisco, Hayward
8
1.5 mi into trip|~3m in
Keep slight left at fork toward I 580 West: San Francisco, MacArthur Freeway
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / slight right lanes.
Toward I 580 West: San Francisco, MacArthur Fre...
9
7.1 mi into trip|~11m in|I 580 / John T. Knox Freeway
Keep slight right at fork onto I 580 / John T. Knox Freeway toward I 580 West: Point Richmond, San Rafael
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 13B
Toward I 580 West: Point Richmond, San Rafael
6
20 mi into trip|~28m in
Keep slight left at fork toward US 101 North: San Rafeal
Highway fork - watch signs carefully
Exit 1A
Toward US 101 North: San Rafeal
8
40.3 mi into trip|~52m in
Take the exit toward Petaluma Boulevard South, Kastania Road
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 472A
Toward Petaluma Boulevard South, Kastania Road
Fuel & Cost
Regular Gas
$9.71 one way
$19.41 round trip
$5.79/gal25.4 MPG avg15 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.96
$9.99
$19.99
premium
$6.14
$10.30
$20.60
diesel
$5.97
$10.01
$20.02
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$10
Estimated CO2 emission: 14.9 kg one way.
Prices: EIA weekly data, 2026-09-07.
Driving Electric?
About $4 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
12.8
0
$4.47
$2.04
Efficient EV
10.7
0
$3.73
$1.70
EV Truck/SUV
17
0
$5.96
$2.73
Gas CO2
15 kg
EV CO2
5 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.
Forecast as of Sep 2, 2026
Origin
Oakland, CA
Afternoon
in Oakland on Friday
Local time
3:10 PM
PDT
Current temp
58°F
Slight Chance Drizzle
S 2 mph4% chanceLive forecast
Wind Advisory
Wind Advisory issued September 2 at 1:48AM PDT until September 2 at 8:00PM PDT by NWS Eureka CA
Wind Advisory
Wind Advisory issued September 2 at 1:48AM PDT until September 2 at 8:00PM PDT by NWS Eureka CA
Destination
Petaluma, CA
Afternoon
in Petaluma on Friday
Local time
3:10 PM
PDT
Current temp
54°F
Areas Of Fog
SSE 1 mph30% chanceLive forecast
Wind Advisory
Wind Advisory issued September 2 at 1:48AM PDT until September 2 at 8:00PM PDT by NWS Eureka CA
Wind Advisory
Wind Advisory issued September 2 at 1:48AM PDT until September 2 at 8:00PM PDT by NWS Eureka CA
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
4 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
57m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
This 42.6-mile drive features 43% highway driving, meaning you'll spend a good portion of your time on the freeway. The longest continuous stretch on a highway is 19.6 miles on the Redwood Highway. You'll notice the transition from freeway to surface roads as you approach your destination, with more local traffic and intersections to navigate. The profile is mixed highway and surface, so be prepared for both faster travel and slower, more urban driving.
43% highway, the rest on surface roads — varied driving throughout.
17 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 19.6 mi on Redwood Highway.
How Hard Is This Drive?
10/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.2 miles in.
Driving Effort10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 14 decision points packed into just 42.6 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 57m.
Where does it get tricky?
The main spots that need attention: at 1.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 1.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 7.1 miles (I 580 / John T. Knox Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Mostly flat terrain
83 ft-65 ft
Total Climb
238 ft
Total Descent
268 ft
Highest Point
83 ft
~27.4 mi in
Elevation Range
149 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Oakland, CA and Petaluma, CA, road signs point toward San Rafael and Petaluma Boulevard South.
Oakland is a port city in the Bay Area of California in the United States. Once an industrial area overshadowed by San Francisco, its larger neighbor to the west, this city of 440,000 people (2020) has begun to step out from under San Francisco's shadow with its notable natural and architectural features and its rise as the multicultural "hipster" city of the Bay Area.
Top landmarks
•San Francisco–Oakland Bay Bridge — suspension bridge connecting San Francisco and Oakland, California, USA
•Lake Merritt — lagoon in Oakland, California, USA
•Oakland Museum of California — art museum in Oakland, California
Petaluma is a charming historic town of 60,000 people (2020) amid the hills and pastures of Sonoma County in the Bay Area of California. Petaluma is known for its well-preserved historic center and as a local hub for the Petaluma Valley region of Sonoma County.
Top landmarks
•Free Public Library of Petaluma — research library and history museum
•United States Post Office — historic post office in Petaluma, California
•Petaluma Historic Commercial District — historic district in California, United States
Doable as a same-day drive at 57m. Total distance: 42.6 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
57m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (43%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 19.6 miles on Redwood Highway. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Petaluma, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 1.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 1.5 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 7.1 miles (I 580 / John T. Knox Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Rosie the Riveter WWII Home Front National Historical Park, Muir Woods National Monument and San Francisco Maritime National Historical Park (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Petaluma, CA before heading back.
