Origin
San Francisco, CA
Afternoon in San Francisco on Sunday
Local time
12:55 PM
PDT
Current temp
70°F
Unavailable
Live forecast
Trip from San Francisco, CA to Fontana, CA
Drive Time
7h 57m
Distance
426.6 mi
686 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$99
one way
Best Time to Leave
4 AM
7h 49m
★
6 AM
7h 58m
8 AM
8h 15m
10 AM
8h 4m
12 PM
8h 2m
3 PM
8h 5m
5 PM
8h 15m
8 PM
7h 53m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
San Francisco, CA
Abhishek Navlakha
Trip Overview
Spanning 426.6 miles from the Pacific Coast in San Francisco to the Inland Empire in Fontana, this journey typically takes about 7 hours and 57 minutes of pure driving time. Because the route is almost entirely highway-focused, you can comfortably tackle the distance in a single day if you stay focused. Expect to budget roughly $99 for fuel, though actual costs will fluctuate based on your vehicle's efficiency. Since the drive connects two major hubs within the same state, you will spend the bulk of your time navigating the state’s primary artery system. It is a straightforward, utilitarian trip that prioritizes speed and efficiency over leisurely sightseeing. Whether you are traveling for business or moving between regions, this route offers a reliable path across California.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
213.3 miles from San Francisco, CA
A natural place for your longest stop of the day , about 3h 57m into the drive .
Drive Character
Expect a high-speed experience, as 97% of this trip is comprised of major highways like the Westside Freeway and the Foothill Freeway. You will spend a significant portion of your time on the road, including a lengthy 224.4-mile stretch on the Westside Freeway that requires steady concentration. The personality of this drive is decidedly interstate-focused, moving away from coastal dynamics into the heart of the state’s high-traffic corridors. As you transition between the I-5 Truck routes and the Foothill Freeway, the road environment remains consistent and fast-paced. Be prepared for a long haul that demands a steady hand on the wheel and a consistent pace to manage the miles efficiently.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 27 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 Foothill Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 8 miles in.
Route Complexity
10/10
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 23 significant decision points across 426.6 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 8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 36.4 miles (I 580 / Arthur H. Breed Junior Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 356 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Critical Maneuvers
5 of 23 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
8 mi into trip
|
~13m in
Take the exit toward I 580 East: Downtown Oakland, Hayward-Stockton
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 8B
Toward I 580 East: Downtown Oakland, Hayward-St...
6
36.4 mi into trip
|
~46m in
|
I 580 / Arthur H. Breed Junior Freeway
Keep slight right at fork onto I 580 / Arthur H. Breed Junior Freeway
Highway fork - watch signs carefully. Lane positioning matters here
Use the none lane.
7
356 mi into trip
|
~6h 34m in
Take the exit toward I 210 East: Pasadena
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 161A
Toward I 210 East: Pasadena
8
380.7 mi into trip
|
~7h 3m in
|
I 210 / Foothill Freeway
Keep slight right at fork onto I 210 / Foothill Freeway toward CA 134 West, I 210 East: San Bernardino, Ventura
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward CA 134 West, I 210 East: San Bernardino,...
7
423.2 mi into trip
|
~7h 52m in
Take the exit toward Sierra Avenue
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 67
Toward Sierra Avenue
Towns Along This Route
On the drive from San Francisco, CA to Fontana, CA, road signs begin pointing toward Ventura along the way.
Ventura
380.7 mi in
|
~7h 3m
|
via I 210
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Westside Freeway | 224.4 mi | 4h |
| Foothill Freeway | 67 mi | 1h 17m |
| I 5 Truck | 58.4 mi | 1h 6m |
| Arthur H. Breed Junior Freeway | 29.3 mi | 33m |
| William Elton Brown Freeway | 17 mi | 18m |
| MacArthur Freeway | 15.9 mi | 18m |
| Dwight D. Eisenhower Highway | 5.8 mi | 8m |
| Sierra Avenue | 3 mi | 4m |
Longest stretch:
Westside Freeway
— 224.4 mi, about 4h
Turn-by-Turn Driving Directions
Step-by-step road directions between San Francisco, CA and Fontana, CA.
1
Start on Market Street
312 ft
·
7 sec
·
Market Street
2
Turn right onto 11th Street
0.6 mi
·
1 min
·
11th Street
Use the none lane.
3
Turn left onto Bryant Street
0.3 mi
·
1 min
·
Bryant Street
4
Take the ramp
0.3 mi
·
25 sec
Toward I 80 East: Oakland
Use the left / straight lanes.
5
Merge onto I 80
0.9 mi
·
1 min
·
Route 80
Use the none lane.
6
Continue on I 80
5.8 mi
·
8 min
·
Dwight D. Eisenhower Highway
Use the none lane.
7
Take the exit
1.0 mi
·
1 min
Exit 8B
Toward I 580 East: Downtown Oakland, Hayward-Stockton
Use the slight right lane.
8
Merge onto I 580
16 mi
·
18 min
·
MacArthur Freeway
Use the straight / slight left / none lanes.
9
Merge onto I 580
12 mi
·
13 min
·
Arthur H. Breed Junior Freeway
Use the none / straight / slight right lanes.
10
Keep slight right at fork onto I 580
18 mi
·
20 min
·
Arthur H. Breed Junior Freeway
Use the none lane.
11
Keep slight right at fork onto I 580
11 mi
·
11 min
·
William Elton Brown Freeway
12
Keep slight left at fork onto I 580
5.9 mi
·
6 min
·
William Elton Brown Freeway
13
Merge onto I 5
224 mi
·
4 hr
·
Westside Freeway
Use the none / straight / slight right lanes.
14
Keep slight right at fork onto I 5 Truck
58 mi
·
1 hr 6 min
·
I 5 Truck
Use the none / straight / slight right lanes.
15
Keep slight left at fork onto I 5
2.0 mi
·
2 min
·
Golden State Freeway
Use the none lane.
16
Take the exit
0.3 mi
·
17 sec
Exit 161A
Toward I 210 East: Pasadena
Use the slight right lane.
17
Continue on I 210
24 mi
·
28 min
·
Foothill Freeway
Use the none lane.
18
Keep slight right at fork onto I 210
19 mi
·
22 min
·
Foothill Freeway
Toward CA 134 West, I 210 East: San Bernardino, Ventura
Use the slight right lane.
19
Keep slight right at fork onto I 210
2.9 mi
·
3 min
·
Foothill Freeway
Use the none lane.
20
Keep slight right at fork onto CA 210
1.4 mi
·
1 min
·
Foothill Freeway
Use the none lane.
21
Keep slight right at fork onto CA 210
1.2 mi
·
1 min
·
Foothill Freeway
Use the none / straight / slight right lanes.
22
Keep slight right at fork onto CA 210
1.8 mi
·
2 min
·
Foothill Freeway
Use the none / straight / slight right lanes.
23
Keep slight right at fork onto CA 210
16 mi
·
18 min
·
Foothill Freeway
Use the none / straight / slight right lanes.
24
Take the exit
0.3 mi
·
46 sec
Exit 67
Toward Sierra Avenue
Use the straight / slight right lanes.
25
Turn right onto Sierra Avenue
3.0 mi
·
4 min
·
Sierra Avenue
Use the left / right lanes.
26
Turn left onto Merrill Avenue
205 ft
·
4 sec
·
Merrill Avenue
Use the left lane.
27
Arrive at destination
Merrill Avenue
Trip Plan
To keep your energy high during this 7-hour and 57-minute trek, plan for at least two strategic stops to stretch your legs. Starting your day early is your best defense against heavy traffic, particularly when navigating out of the Bay Area or approaching the busy Fontana area. Since the longest segment covers 224.4 miles, ensure your fuel tank is topped off before entering the most isolated stretches of the Westside Freeway. Keep a close eye on your fuel gauge, as the $99 estimate can quickly climb if you hit unexpected congestion. Use your two planned breaks to refuel your car and yourself, ensuring you stay alert during the long, uninterrupted highway portions of your journey.
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.
You can normally do this drive in one day.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 213.3 miles from San Francisco, CA, or about 3h 57m into the drive.
The longest continuous stretch on this route runs about 224.4 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 94 miles or 1h 49m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 213.3 miles or 3h 57m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 6h 46m
Traffic, exits, and arrival timing usually matter more near Fontana, CA than in the middle of the route.
Before You Leave
+
Open the route before leaving San Francisco, 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.
Day 1
Settle into the route from San Francisco, CA
This is one driving day of about 426.6 miles and 7h 57m.
Your first comfortable stop window is around 94 miles from San Francisco, CA.
This route can stay practical as a one-day drive if traffic stays reasonable.
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 213.3 mi from San Francisco, CA · 3h 57m into the drive
Mid-route town
Meal stop
213 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 94 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 213.3 miles from San Francisco, CA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Westside Freeway if your tank is already low. That segment runs about 224.4 miles.
Arriving in Fontana, CA
The final approach into Fontana, CA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Fontana, CA.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$98.79 one way
$197.58 round trip
$5.88/gal
25.4 MPG avg
149 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.07 | $101.88 | $203.76 |
| premium | $6.24 | $104.85 | $209.71 |
| diesel | $5.64 | $94.78 | $189.55 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$99
Meals
$25–$50
Total
$124–$149
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 149.3 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $45 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 128 | 1 | $44.79 | $20.48 |
| Efficient EV | 106.7 | 1 | $37.33 | $17.06 |
| EV Truck/SUV | 170.6 | 2 | $59.72 | $27.30 |
Gas CO2
149 kg
EV CO2
50 kg (66% 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.
Destination
Fontana, CA
Afternoon in Fontana on Sunday
Local time
12:55 PM
PDT
Current temp
54°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.
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
16 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
7h 57m on the road
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from San Francisco, CA to Fontana, CA covers 426.6 miles and takes about 7h 57m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Westside Freeway, Foothill Freeway, I 5 Truck. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 213.3 miles from San Francisco, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $98.79 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 23 significant decision points across 426.6 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 8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 36.4 miles (I 580 / Arthur H. Breed Junior Freeway): Highway fork - watch signs carefully. Lane positioning matters here; at 356 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
On the drive from San Francisco, CA to Fontana, CA, road signs begin pointing toward Ventura along the way.
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