Spanning 439.3 miles from Fontana to San Anselmo, this journey across the Pacific Coast region is a significant undertaking that typically requires 8 hours and 14 minutes of driving time. Because of the technical nature of the roads, you should plan for a two-day trip rather than attempting it in a single push. Budget approximately $102 for fuel to cover the distance comfortably. Navigating through local arteries like Sierra Avenue and the CA 210 West requires your full attention. While the drive is feasible, treat it as a multi-day commitment to avoid driver fatigue and ensure you arrive safely at your destination.
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
219.6 miles from Fontana, CA
A natural place for your longest stop of the day
, about 4h 7m into the drive
.
Main Roads
Road
Distance
Duration
Westside Freeway
225.6 mi
4h 1m
Foothill Freeway
67.2 mi
1h 17m
I 5 Truck
37.1 mi
42m
Arthur H. Breed Junior Freeway
29.6 mi
34m
Golden State Freeway
22.3 mi
25m
William Elton Brown Freeway
17 mi
18m
MacArthur Freeway
16.7 mi
19m
John T. Knox Freeway
12.9 mi
17m
Longest stretch:
Westside Freeway
— 225.6 mi, about 4h 1m
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana, CA and San Anselmo, CA.
1
Start on Merrill Avenue
205 ft·6 sec·Merrill Avenue
2
Turn right onto Sierra Avenue
3.0 mi·4 min·Sierra Avenue
Use the left / straight lanes.
3
Take the ramp
0.3 mi·45 sec
Toward CA 210 WestUse the straight / slight right lanes.
4
Merge onto CA 210
15 mi·17 min·Foothill Freeway
Use the straight / slight right lanes.
5
Keep slight right at fork onto CA 210
1.2 mi·1 min·Foothill Freeway
Use the straight / slight right lanes.
6
Keep slight right at fork onto CA 210
2.4 mi·2 min·Foothill Freeway
Use the straight / slight right lanes.
7
Keep slight right at fork onto CA 210
1.4 mi·1 min·Foothill Freeway
Use the straight / slight right lanes.
8
Keep slight right at fork onto CA 210
1.8 mi·2 min·Foothill Freeway
Use the straight / slight right lanes.
9
Keep slight right at fork onto CA 210
20 mi·23 min·Foothill Freeway
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 210
26 mi·29 min·Foothill Freeway
Exit 26AToward I 210 West: SacramentoUse the straight / slight right lanes.
11
Keep slight right at fork
0.1 mi·9 sec
Use the slight right lane.
12
Merge onto I 5 Truck
1.0 mi·1 min·I 5 Truck
Exit 161A
13
Keep slight left at fork onto I 5 Truck
36 mi·41 min·I 5 Truck
Use the straight / slight right lanes.
14
Keep slight left at fork onto I 5
22 mi·25 min·Golden State Freeway
Use the straight / slight right lanes.
15
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.
16
Keep slight left at fork onto I 580
16 mi·17 min·William Elton Brown Freeway
Toward I 580 West: Tracy, San Francisco
17
Keep slight right at fork onto I 580 Bypass
1.1 mi·1 min·William Elton Brown Freeway
18
Merge onto I 580
18 mi·20 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
19
Keep slight right at fork onto I 580
12 mi·13 min·Arthur H. Breed Junior Freeway
Use the straight / slight right lanes.
20
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.
21
Keep slight left at fork onto I 580
8.3 mi·9 min·MacArthur Freeway
Use the straight / slight right lanes.
22
Continue on I 80; I 580
3.3 mi·4 min·Eastshore Freeway
Use the straight / slight right lanes.
23
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.
24
Keep slight left at fork
0.7 mi·54 sec
Exit 1AToward US 101 North: San Rafeal
25
Merge onto US 101
0.4 mi·33 sec·Redwood Highway
26
Take the exit
0.3 mi·39 sec
Exit 452Toward Central San RafaelUse the slight right lane.
27
Continue on Irwin Street
0.1 mi·21 sec·Irwin Street
Use the straight lane.
28
Turn left onto Fourth Street
1.7 mi·3 min·Fourth Street
Use the left lane.
29
Continue on Red Hill Avenue
0.6 mi·56 sec·Red Hill Avenue
Use the straight lane.
30
Turn left onto Sir Francis Drake Boulevard
0.2 mi·39 sec·Sir Francis Drake Boulevard
31
Turn right onto North Pine Street
92 ft·4 sec·North Pine Street
32
Turn right onto San Anselmo Avenue
215 ft·9 sec·San Anselmo Avenue
33
Turn right onto Tunstead Avenue
118 ft·4 sec·Tunstead Avenue
34
Turn left onto Sir Francis Drake Boulevard
192 ft·13 sec·Sir Francis Drake Boulevard
Use the left lane.
35
Turn right
30 ft·2 sec
36
Arrive at destination
Trip Plan
To manage the 439.3-mile distance effectively, plan for at least two intentional stops to break up the technical driving segments. Departing early in the day is your best strategy to navigate the local roads before traffic patterns intensify. Since the drive is quite demanding due to the constant turning, prioritize your rest periods to keep your concentration sharp throughout the 8-hour and 14-minute duration. Keep a close eye on your fuel gauge, as the $102 estimate can fluctuate depending on your vehicle's efficiency and local pricing along the way. Breaking the trip into two days will make the transit significantly more manageable and less taxing on your focus.
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 219.6 miles from Fontana, CA, or about 4h 7m 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 97 miles or 1h 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 219.6 miles or 4h 7m 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 219.6 miles or 4h 7m
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 6h 59m
Traffic, exits, and arrival timing usually matter more near San Anselmo, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving Fontana, 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 Fontana, CA
Aim for roughly 220 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into San Anselmo, CA
Aim for roughly 220 miles and 4.1 hours of wheel time on this day.
Your first comfortable stop window is around 97 miles from Fontana, 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 31
5 decision points cluster between mile 45 and 436.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
45 mi into trip|~53m in|I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Exit 26A
Toward I 210 West: Sacramento
7
130.1 mi into trip|~2h 31m 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
402.3 mi into trip|~7h 25m 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
422.3 mi into trip|~7h 49m 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
7
436.3 mi into trip|~8h 7m in
Take the exit toward Central San Rafael
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 452
Toward Central San Rafael
Fuel & Cost
Regular Gas
$100.97 one way
$201.94 round trip
$5.84/gal25.4 MPG avg154 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$6.02
$104.05
$208.10
premium
$6.18
$106.83
$213.67
diesel
$5.61
$96.99
$193.98
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$101
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$231–$341
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 153.7 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $46 in charging
· 1 stop
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
131.8
1
$46.13
$21.09
Efficient EV
109.8
1
$38.44
$17.57
EV Truck/SUV
175.7
2
$61.50
$28.12
Gas CO2
154 kg
EV CO2
51 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 Apr 15, 2026
Origin
Fontana, CA
Night
in Fontana on Saturday
Local time
9:35 PM
PDT
Current temp
76°F
Unavailable
Live forecast
Destination
San Anselmo, CA
Night
in San Anselmo on Saturday
Local time
9:35 PM
PDT
Current temp
66°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
10 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 14m 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...
2 mi from route
~5 min detour
Free
near mile 424.1
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,...
5 mi from route
~14 min detour
$15
near mile 439.3
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...
8 mi from route
~21 min detour
Free
near mile 439.3
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
~22 min detour
Free
near mile 424.1
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 439.3
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...
19 mi from route
~47 min detour
Free
near mile 424.1
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a turn-heavy local drive that demands consistent engagement behind the wheel, quite different from a standard interstate cruise. The route relies heavily on surface streets and local connectors like the Foothill Freeway, resulting in a 0% highway share. You will find that the road surface and traffic flow shift frequently as you transition between local zones. Because this path avoids major high-speed corridors, your pace will be dictated by the curves and intersections along the way. Prepare for a hands-on driving experience where your focus remains on the immediate road ahead rather than long, monotonous stretches.
98% highway — fuel and pacing are the main things to plan.
36 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?
9/10
This is a straightforward highway drive that stays mostly on Westside Freeway and Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 45 miles in near I 210 / Foothill Freeway.
Driving Effort9/10
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 31 significant decision points across 439.3 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 45 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 130.1 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 402.3 miles (I 580 / MacArthur Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.
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 Fontana, CA to San Anselmo, CA, road signs begin pointing toward San Francisco along the way.
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 220 miles on day one.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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 San Anselmo, 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 45 miles (I 210 / Foothill Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 130.1 miles (I 5 / Westside Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 402.3 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 Golden Gate National Recreation Area (6 total within detour distance). See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 8.2 hours each way, a round trip means 16.5 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at San Anselmo, CA before the return drive.
