Santa Ana to Rohnert Park is 453.5 miles and takes about 8h 30m via Westside Freeway, Golden State Freeway, and I 5 Truck, with a fuel budget near $109 and enough daylight to finish in a day. This trip covers ground within California, moving from the Pacific Coast region to another part of the same region. With a recommended two-day pace, you'll spend most of your time on the highway, making it a straightforward, albeit long, drive. Consider this route if you prefer efficient travel and are comfortable with extended periods on major freeways.
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
226.7 miles from Santa Ana, CA
A natural place for your longest stop of the day
, about 4h 14m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
225.6 mi
4h 1m
Golden State Freeway
50 mi
57m
I 5 Truck
37.7 mi
43m
Redwood Highway
29.7 mi
34m
Arthur H. Breed Junior Freeway
29.6 mi
34m
Santa Ana Freeway
26.9 mi
31m
William Elton Brown Freeway
17 mi
18m
MacArthur Freeway
16.7 mi
19m
Longest stretch:
Westside Freeway
— 225.6 mi, about 4h 1m
Traffic on I-5
Hour-of-day weekday pattern from 177 FHWA count stations on your route.
Peak
3 PM
~2,402 veh/hr typical
· worst 3,136
Quietest
2 AM
~463 veh/hr
Peak-to-quiet ratio
5.2×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 44 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Santa Ana, CA and Rohnert Park, CA.
1
Start on West 1st Street
0.1 mi·15 sec·West 1st Street
2
Turn right onto North Broadway
1.5 mi·2 min·North Broadway
Use the straight / right lanes.
3
Turn right onto West Santa Clara Avenue
0.1 mi·14 sec·West Santa Clara Avenue
4
Continue on this road
0.3 mi·26 sec·this road
Toward I 5 North: Los AngelesUse the left / straight / right lanes.
5
Merge onto I 5
8.9 mi·10 min·Santa Ana Freeway
Use the straight / slight right lanes.
6
Keep slight right at fork onto I 5
18 mi·20 min·Santa Ana Freeway
Use the straight / slight right lanes.
7
Keep slight right at fork onto I 5
25 mi·29 min·Golden State Freeway
Use the straight / slight right lanes.
8
Keep slight left at fork onto I 5
2.2 mi·2 min·Golden State Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto I 5 Truck
1.5 mi·1 min·I 5 Truck
Exit 161AToward I 5 Truck North, CA 14 TruckUse the straight / slight right lanes.
10
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
11
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
12
Keep slight right at fork onto I 5
226 mi·4 hr 1 min·Westside Freeway
Toward I 5 NorthUse the straight / slight right lanes.
13
Keep slight left at fork onto I 580
16 mi·17 min·William Elton Brown Freeway
Toward I 580 West: Tracy, San Francisco
14
Keep slight right at fork onto I 580 Bypass
1.1 mi·1 min·William Elton Brown Freeway
15
Merge 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
12 mi·13 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
17
Keep slight right at fork onto I 580
8.3 mi·9 min·MacArthur Freeway
Toward I 580: Oakland, San FranciscoUse the slight left / slight right lanes.
18
Keep slight left at fork onto I 580
8.3 mi·9 min·MacArthur Freeway
Use the straight / slight right lanes.
19
Continue on I 80; I 580
3.3 mi·4 min·Eastshore Freeway
Use the straight / slight right lanes.
20
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.
21
Keep slight left at fork
0.7 mi·54 sec
Exit 1AToward US 101 North: San Rafeal
22
Merge onto US 101
30 mi·34 min·Redwood Highway
Use the straight / slight right lanes.
23
Take the exit onto CA 116
0.3 mi·40 sec·CA 116
Exit 481BToward CA 116 West: Sebastopol, Downtown CotatiUse the straight / slight right lanes.
24
Turn right onto Gravenstein Highway
449 ft·16 sec·Gravenstein Highway
Use the right lane.
25
Turn left onto Old Redwood Highway
427 ft·7 sec·Old Redwood Highway
Use the left lane.
26
Turn slight right onto Commerce Boulevard
0.3 mi·44 sec·Commerce Boulevard
Use the right lane.
27
Enter roundabout onto Southwest Boulevard
30 ft·0 sec·Southwest Boulevard
28
Continue on Southwest Boulevard
0.7 mi·1 min·Southwest Boulevard
29
Turn left onto Almond Street
162 ft·9 sec·Almond Street
30
Turn right onto Alta Avenue
236 ft·10 sec·Alta Avenue
31
Arrive at destination
Alta Avenue
Trip Plan
Given the 8h 30m estimated driving time, splitting this trip over two days is a sensible approach. Aim to leave Santa Ana in the morning to maximize daylight and reach your overnight stop with ample time. With two recommended days, you can comfortably complete the 453.5 miles without feeling rushed. Plan your stops strategically, as the longest stretch is over 225 miles; ensure you refuel before hitting that point. Budget around $109 for fuel, and be aware that the highway percentage is very high, so rest stops will primarily be at freeway exits.
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 226.7 miles from Santa Ana, CA, or about 4h 14m into the drive.
The longest continuous stretch on this route runs about 225.6 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 100 miles or 1h 57m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 226.7 miles or 4h 14m 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 226.7 miles or 4h 14m
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 7h 15m
Traffic, exits, and arrival timing usually matter more near Rohnert Park, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Santa Ana, 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 Santa Ana, CA
Aim for roughly 227 miles and 4.3 hours of wheel time on this day.
Day 2
Finish the approach into Rohnert Park, CA
Aim for roughly 227 miles and 4.3 hours of wheel time on this day.
Your first comfortable stop window is around 100 miles from Santa Ana, 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 225.6 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 27
5 decision points cluster between mile 56.6 and 452 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
9
56.6 mi into trip|~1h 7m in|I 5 Truck
Keep slight right at fork onto I 5 Truck toward I 5 Truck North, CA 14 Truck
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 161A
Toward I 5 Truck North, CA 14 Truck
7
116.6 mi into trip|~2h 16m in|I 5 / Westside Freeway
Keep slight right at fork onto I 5 / Westside Freeway toward I 5 North
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 5 North
8
388.7 mi into trip|~7h 10m in|I 580 / MacArthur Freeway
Keep slight right at fork onto I 580 / MacArthur Freeway toward I 580: Oakland, San Francisco
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: Oakland, San Francisco
9
408.7 mi into trip|~7h 33m 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
8
452 mi into trip|~8h 26m in|CA 116
Take the exit onto CA 116 toward CA 116 West: Sebastopol, Downtown Cotati
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 481B
Toward CA 116 West: Sebastopol, Downtown Cotati
Fuel & Cost
Regular Gas
$94.88 one way
$189.76 round trip
$5.31/gal25.4 MPG avg159 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$5.52
$98.54
$197.08
premium
$5.67
$101.14
$202.29
diesel
$4.80
$85.63
$171.26
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$95
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$225–$335
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 158.7 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $48 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
136.1
1
$47.62
$21.77
Efficient EV
113.4
1
$39.68
$18.14
EV Truck/SUV
181.4
2
$63.49
$29.02
Gas CO2
159 kg
EV CO2
53 kg (67% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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 Jul 17, 2026
Origin
Santa Ana, CA
Afternoon
in Santa Ana on Sunday
Local time
12:11 PM
PDT
Current temp
86°F
Sunny
S 10 mph4% chanceLive forecast
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Destination
Rohnert Park, CA
Afternoon
in Rohnert Park on Sunday
Local time
12:11 PM
PDT
Current temp
83°F
Sunny
WSW 10 mph0% chanceLive forecast
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
Extreme Heat Warning
Extreme Heat Warning issued July 16 at 1:29PM PDT until July 16 at 8:00PM PDT by NWS San Diego CA
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
3 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
8h 30m 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.
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...
5 mi from route
~13 min detour
Free
near mile 406.6
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,...
6 mi from route
~15 min detour
$15
near mile 422.2
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...
7 mi from route
~19 min detour
Free
near mile 406.6
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...
9 mi from route
~22 min detour
Free
near mile 422.2
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 437.8
On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two s...
20 mi from route
~51 min detour
Free
near mile 406.6
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
You'll be on the highway for 93% of this drive, covering 453.5 miles. The longest continuous stretch on a single highway is 225.6 miles, which occurs on the Westside Freeway. Expect a predominantly highway experience for the majority of your trip, with minimal time spent on surface roads. The extensive highway miles suggest frequent opportunities for refueling and rest stops, but also a consistent pace dictated by freeway conditions.
93% highway — fuel and pacing are the main things to plan.
31 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 225.6 mi on Westside Freeway.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Golden State Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 56.6 miles in near I 5 Truck.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 27 significant decision points across 453.5 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 56.6 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 116.6 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 388.7 miles (I 580 / MacArthur Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Hilly terrain with moderate elevation changes
3,612 ft6 ft
Total Climb
3,921 ft
Total Descent
3,930 ft
Highest Point
3,612 ft
~97.2 mi in
Elevation Range
3,606 ft
Notable High Points
3,612 ft at ~97.2 miles+2,324 ft prominence
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Santa Ana, CA and Rohnert Park, CA, road signs point toward San Francisco and San Rafael.
Rohnert Park is a city located in Sonoma County in the Bay Area of California. Rohnert Park is a small city of about 45,000 residents. The city of Rohnert Park, although beautiful, does not offer much regarding tourism.
The longest stretch is about 225.6 miles on Westside Freeway. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 227 miles on day one.
Yes — we found about 35 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 Rohnert Park, CA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 35 rest areas along the route for bathroom stops.
The main spots that need attention: at 56.6 miles (I 5 Truck): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 116.6 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 388.7 miles (I 580 / MacArthur 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.
Not recommended in a single day. At 8.5 hours each way, a round trip means 17.0 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Rohnert Park, CA before the return drive.
