Rohnert Park to San Diego is 542.2 miles and takes about 10h 17m via Westside Freeway and I-5, with a fuel budget near $125 and an overnight recommendation. This long-distance drive traverses the length of California, starting in the Pacific Coast region and ending in the same coastal environment. It's a substantial journey, best enjoyed over two days to avoid excessive fatigue. While primarily highway driving, it connects two major Californian hubs, making it a practical choice for many travelers.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
271.1 miles from Rohnert Park, CA
A natural place for your longest stop of the day
, about 5h 3m into the drive
.
From balmy beaches with a laid-back attitude to a gleaming modern image, San Diego offers much for the tourist to enjoy. Situated on the Southern California seacoast, San Diego is the second largest city in the state, with 1.4 million residents (2020), and has long attracted travelers for its ideal climate, miles of beaches, and location on the Mexican border right across from Tijuana.
But there's much more here than surfer culture and a quick hop across the border. A rich maritime and military heritage lives on in San Diego, which is home to the Pacific Fleet of the United States Navy. The city has also become known for its part in the wildlife conservation movement, owing to the presence of the world-renowned San Diego Zoo and Safari Park and the Scripps Institution of Oceanography. Natural scenery abounds from rocky tidepools and seaside cliffs to desert hills and canyons inland.
Top landmarks
•Balboa Park — historic park in San Diego, California
•Cabrillo National Monument — National Monument of the United States and historic district
This route is predominantly a highway experience, with 93% of the drive on major freeways like the Westside Freeway and the San Diego Freeway. You'll encounter a longest uninterrupted stretch of 224.4 miles on the Westside Freeway, indicating significant periods of consistent driving. Expect a steady pace for most of the journey, typical of a long-distance, inter-state corridor. The character remains largely consistent, focusing on efficient travel rather than varied terrain.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 43 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Westside Freeway is the longest continuous segment at about 224.4 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on Westside Freeway and I 5 Truck. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 31.3 miles in near I 580 / John T. Knox Freeway.
Driving Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 39 significant decision points across 542.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 31.3 miles (I 580 / John T. Knox Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 48.6 miles (I 580 / Interstate Highway 80): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 48.9 miles (I 580 / MacArthur Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 39 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
9
31.3 mi into trip|~39m in|I 580 / John T. Knox Freeway
Keep slight right at fork onto I 580 / John T. Knox Freeway toward I 580: Richmond Bridge, Oakland
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 451B
Toward I 580: Richmond Bridge, Oakland
8
48.6 mi into trip|~1h 1m in|I 580 / Interstate Highway 80
Keep slight left at fork onto I 580 / Interstate Highway 80 toward I 580 East, I 880 South: Downtown Oakland, Hayward, Stockton, Alameda, San Jose
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 580 East, I 880 South: Downtown Oaklan...
8
48.9 mi into trip|~1h 1m in|I 580 / MacArthur Freeway
Keep slight left at fork onto I 580 / MacArthur Freeway toward I 580: Downtown Oakland, Hayward, Stockton
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: Downtown Oakland, Hayward, Stockt...
8
398.4 mi into trip|~7h 24m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward I 405 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 158
Toward I 405 South
8
423.4 mi into trip|~7h 54m in|I 5 / Golden State Freeway
Keep slight left at fork onto I 5 / Golden State Freeway toward CA 60 East, I 5 South: Pomona, Soto Street, Santa Ana
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Toward CA 60 East, I 5 South: Pomona, Soto Stre...
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Rohnert Park, CA and San Diego, CA, road signs point toward Oakland, Hayward, Stockton, Alameda, San Jose and Santa Ana - among others.
Oakland
31.3 mi in|~39m|via I 580
Hayward
48.6 mi in|~1h 1m|via I 580
Stockton
48.6 mi in|~1h 1m|via I 580
Alameda
48.6 mi in|~1h 1m|via I 580
San Jose
48.6 mi in|~1h 1m|via I 580
Santa Ana
423.4 mi in|~7h 54m|via I 5
Broadway
450.7 mi in|~8h 26m
Riverside
457.8 mi in|~8h 37m|via Jamboree Road
Main Roads
Road
Distance
Duration
Westside Freeway
224.4 mi
4h
I 5 Truck
83.3 mi
1h 36m
San Diego Freeway
76.5 mi
1h 29m
Santa Ana Freeway
35 mi
40m
Arthur H. Breed Junior Freeway
29.3 mi
33m
Redwood Highway
28.9 mi
33m
William Elton Brown Freeway
17 mi
18m
MacArthur Freeway
16.4 mi
18m
Longest stretch:
Westside Freeway
— 224.4 mi, about 4h
Turn-by-Turn Driving Directions
Step-by-step road directions between Rohnert Park, CA and San Diego, CA.
1
Start on Alta Avenue
236 ft·17 sec·Alta Avenue
2
Turn left onto Almond Street
162 ft·11 sec·Almond Street
3
Turn right onto Southwest Boulevard
0.7 mi·1 min·Southwest Boulevard
4
Enter roundabout onto Commerce Boulevard
138 ft·3 sec·Commerce Boulevard
5
Continue on Commerce Boulevard
0.3 mi·42 sec·Commerce Boulevard
6
At end of road, turn left onto Old Redwood Highway
0.5 mi·58 sec·Old Redwood Highway
Use the left lane.
7
Turn right onto West Sierra Avenue
0.6 mi·1 min·West Sierra Avenue
Use the straight / right lanes.
8
Take the ramp
0.2 mi·33 sec
Toward US 101 South: San Francisco
9
Merge onto US 101; CA 116
29 mi·33 min·Redwood Highway
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 580
14 mi·17 min·John T. Knox Freeway
Exit 451BToward I 580: Richmond Bridge, OaklandUse the straight / slight right lanes.
11
Merge onto I 80; I 580
3.8 mi·4 min·Eastshore Freeway
Use the straight / slight right lanes.
12
Keep slight left at fork onto I 580
0.3 mi·21 sec·Interstate Highway 80
Toward I 580 East, I 880 South: Downtown Oakland, Hayward, Stockton, Alameda, San JoseUse the straight / slight right lanes.
13
Keep slight left at fork onto I 580
16 mi·18 min·MacArthur Freeway
Toward I 580: Downtown Oakland, Hayward, StocktonUse the slight left / slight right lanes.
14
Merge onto I 580
12 mi·13 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
15
Keep slight right at fork onto I 580
18 mi·20 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
16
Keep slight right at fork onto I 580
11 mi·11 min·William Elton Brown Freeway
17
Keep slight left at fork onto I 580
5.9 mi·6 min·William Elton Brown Freeway
18
Merge onto I 5
224 mi·4 hr·Westside Freeway
Use the straight / slight right lanes.
19
Keep slight right at fork onto I 5 Truck
58 mi·1 hr 6 min·I 5 Truck
Use the straight / slight right lanes.
20
Keep slight left at fork onto I 5
4.1 mi·4 min·Golden State Freeway
Use the straight / slight right lanes.
21
Keep slight right at fork onto I 5 Truck
0.3 mi·17 sec·I 5 Truck
Exit 158Toward I 405 SouthUse the straight / slight right lanes.
22
Keep slight left at fork onto I 5 Truck
25 mi·29 min·I 5 Truck
Use the straight / slight right lanes.
23
Keep slight left at fork onto I 5
1.3 mi·1 min·Golden State Freeway
Toward CA 60 East, I 5 South: Pomona, Soto Street, Santa AnaUse the slight left / straight lanes.
24
Merge onto I 5
26 mi·30 min·Santa Ana Freeway
Use the straight / slight right lanes.
25
Keep slight right at fork onto I 5
0.2 mi·16 sec·Santa Ana Freeway
Use the straight / slight right lanes.
26
Take the exit
0.8 mi·57 sec
Toward Broadway, Main Street, Santa AnaUse the straight / slight right lanes.
27
Keep slight left at fork
0.1 mi·10 sec
Use the straight / slight right lanes.
28
Keep slight left at fork
0.2 mi·12 sec
Toward I 5 South
29
Merge onto I 5
0.8 mi·54 sec·Santa Ana Freeway
30
Keep slight right at fork onto I 5
0.8 mi·52 sec·Santa Ana Freeway
31
Keep slight right at fork onto I 5
1.2 mi·1 min·Santa Ana Freeway
Use the straight / slight right lanes.
32
Take the exit
0.7 mi·1 min
Exit 102Toward Newport AvenueUse the slight right lane.
33
Turn right onto Newport Avenue
0.4 mi·44 sec·Newport Avenue
Use the right lane.
34
Turn left onto Walnut Avenue
2.2 mi·4 min·Walnut Avenue
35
Turn left onto Jamboree Road
0.5 mi·37 sec·Jamboree Road
Toward CA 261 Toll North: Jamboree Road, RiversideUse the left lane.
36
Take the exit
0.3 mi·21 sec
Toward I 5 South
37
Merge onto I 5
5.5 mi·6 min·Santa Ana Freeway
Use the straight / slight right lanes.
38
Keep slight left at fork onto I 5
0.8 mi·55 sec·Santa Ana Freeway
Use the straight / slight right lanes.
39
Merge onto I 5
76 mi·1 hr 29 min·San Diego Freeway
Use the straight / slight right lanes.
40
Take the exit
0.2 mi·28 sec
Exit 17Toward Front Street, Civic Center, 2nd AvenueUse the straight / slight right lanes.
41
Keep slight right at fork
0.1 mi·14 sec
Toward Front Street, Civic Center
42
Continue on Front Street
0.5 mi·1 min·Front Street
Use the straight / left lanes.
43
Arrive at destination
Front Street
Trip Plan
Given the 10h 17m estimated drive time, this trip is best split over two days. Plan to leave Rohnert Park early in the morning on your first day to maximize daylight hours and cover a good portion of the 542.2 miles. Your second day will involve completing the remaining drive to San Diego. Keep an eye on fuel stops, especially during the longest stretch, to ensure you maintain a comfortable buffer. The $125 fuel cost is an estimate, so monitor your vehicle's consumption.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 271.1 miles from Rohnert Park, CA, or about 5h 3m into the drive.
The longest continuous stretch on this route runs about 224.4 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 119 miles or 2h 20m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 271.1 miles or 5h 3m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 271.1 miles or 5h 3m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 9h 5m
Traffic, exits, and arrival timing usually matter more near San Diego, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Rohnert Park, CA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Rohnert Park, CA
Aim for roughly 271 miles and 5.1 hours of wheel time on this day.
Day 2
Finish the approach into San Diego, CA
Aim for roughly 271 miles and 5.1 hours of wheel time on this day.
Your first comfortable stop window is around 119 miles from Rohnert Park, CA.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Westside Freeway for about 224.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 271.1 mi from Rohnert Park, CA
· 5h 3m into the drive
Place data sourced from public business listings. Hours and availability may vary.
National Parks Near This Route
Worth a detour if your schedule allows.
Rosie the Riveter WWII Home Front National Historical Park
National Historical Park
Celebrate and honor the contributions and sacrifices of American civilians on the WWII home front. Discover how diverse communities lived, worked, and interacted. Many faces, many stories, many truths...
In 1542, Juan Rodriguez Cabrillo climbed out of his boat and onto shore, becoming the first European to set foot on what is now the West Coast of the United States. Cabrillo National Monument not only...
5 mi from route
~13 min detour
$20
near mile 542.2
Walk among old growth coast redwoods, cooling their roots in the fresh water of Redwood Creek and lifting their crowns to reach the sun and fog. Federally protected as a National Monument since 1908,...
Established in 1988, San Francisco Maritime National Historical Park celebrates America’s maritime heritage on the Pacific Coast. Our 50-acre park has grown around Aquatic Park Cove, a protected area...
9 mi from route
~21 min detour
Free
near mile 37.4
Experience a park so rich it supports 19 distinct ecosystems with over 2,000 plant and animal species. Go for a hike, enjoy a vista, have a picnic or learn about the centuries of overlapping history f...
11 mi from route
~28 min detour
Free
near mile 37.4
From its thunderous ocean breakers crashing against rocky headlands and expansive sand beaches to its open grasslands, brushy hillsides, and forested ridges, Point Reyes offers visitors over 1500 spec...
18 mi from route
~45 min detour
Free
near mile 18.7
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $57 in charging
· 2 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
162.7
2
$56.93
$26.03
Efficient EV
135.6
1
$47.44
$21.69
EV Truck/SUV
216.9
2
$75.91
$34.70
Gas CO2
190 kg
EV CO2
63 kg (67% less)
Plan for 2 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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 Apr 15, 2026
Origin
Rohnert Park, CA
Late night
in Rohnert Park on Saturday
Local time
3:16 AM
PDT
Current temp
45°F
Unavailable
Live forecast
Destination
San Diego, CA
Late night
in San Diego on Saturday
Local time
3:16 AM
PDT
Current temp
56°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
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
11 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
10h 17m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Rohnert Park, CA to San Diego, CA covers 542.2 miles and takes about 10h 17m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Westside Freeway, I 5 Truck, San Diego Freeway. Expect a mix of highway and local road driving.
Consider an overnight stop or starting very early.
Yes. This route is usually more comfortable as a 2-day drive. A sensible stopping point is after roughly 271 miles on day one.
The midpoint is about 271.1 miles from Rohnert Park, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $124.62 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Start early — leave by 6-7 AM to arrive at a reasonable hour. This is a long drive — plan for a morning departure or consider splitting it into two days.
Plan about 2 meaningful breaks for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 39 significant decision points across 542.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 31.3 miles (I 580 / John T. Knox Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 48.6 miles (I 580 / Interstate Highway 80): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 48.9 miles (I 580 / MacArthur Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Between Rohnert Park, CA and San Diego, CA, road signs point toward Oakland, Hayward, Stockton, Alameda, San Jose and Santa Ana - among others.
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, EIA for fuel prices, NREL for EV charging, and NPS for national parks. See our methodology for refresh cadence and limitations.
