Origin
Fontana, CA
Afternoon in Fontana on Sunday
Local time
12:22 PM
PDT
Current temp
54°F
Unavailable
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Create accountDrive Time
8h 10m
Distance
439.7 mi
708 km
Drive Score
7/10
Good drive
Same Day?
2-day trip
Fuel Cost
$102
one way
Suisun, CA
Dominik Gryzbon
Spanning 439.7 miles from Fontana to Suisun, this journey across California takes approximately 8 hours and 10 minutes of pure driving time. Because of the significant distance, I recommend splitting this trek into two days to keep your energy levels steady. You should budget around $102 for fuel to cover the trip comfortably. Navigating through the Pacific Coast region, you will rely heavily on major arteries like the Westside Freeway, Foothill Freeway, and I-5 Truck route. While it is technically possible to push through in one long haul, breaking it up allows for a much more relaxed pace. This route is designed for efficiency, prioritizing speed and direct connections over local backroads.
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
219.9 miles from Fontana, CA
A natural place for your longest stop of the day , about 4h 7m into the drive .
Expect a dedicated highway-focused experience, as 92% of your journey stays on high-speed roads. The drive is defined by long, consistent stretches, most notably a 225.6-mile segment on the Westside Freeway that demands steady focus. You will find that the personality of the road is built for utility and distance rather than technical maneuvering. As you transition between the major freeways, the environment remains largely interstate-centric. Be prepared for a straightforward, rhythmic drive that prioritizes reaching your destination efficiently rather than winding through secondary scenic byways.
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.
High effort - long or complex enough to need steady focus all day
This is a demanding drive. With 33 significant decision points across 439.7 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 392.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
These are the spots where you need to pay the most attention. Preview them before you drive.
Keep slight right at fork onto I 210 / Foothill Freeway toward I 210 West: Sacramento
Highway fork - watch signs carefully. Lane positioning matters here
Keep slight right at fork onto I 5 / Westside Freeway toward I 5 North
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut Creek
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight right at fork toward I 680 North: Walnut Creek, Concord, Sacramento
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork onto I 680 / Senator Daniel E Boatwright Highway toward I 680 North: Martinez, Sacramento
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Between Fontana, CA and Suisun, CA, road signs point toward San Francisco, Sacramento, Concord and Walnut Creek.
San Francisco
Sacramento
Concord
Walnut Creek
| Road | Distance | Duration |
|---|---|---|
| Westside Freeway | 225.6 mi | 4h 1m |
| Foothill Freeway | 67.2 mi | 1h 17m |
| I 5 Truck | 37.1 mi | 42m |
| Golden State Freeway | 22.3 mi | 25m |
| Arthur H. Breed Junior Freeway | 19.6 mi | 22m |
| William Elton Brown Freeway | 17 mi | 18m |
| Donald D Doyle Highway | 15.2 mi | 17m |
| Senator Daniel E Boatwright Highway | 12.9 mi | 14m |
Step-by-step road directions between Fontana, CA and Suisun, CA.
Start on Merrill Avenue
Turn right onto Sierra Avenue
Take the ramp
Merge onto CA 210
Keep slight right at fork onto CA 210
Keep slight right at fork onto CA 210
Keep slight right at fork onto CA 210
Keep slight right at fork onto CA 210
Keep slight right at fork onto CA 210
Keep slight right at fork onto I 210
Keep slight right at fork
Merge onto I 5 Truck
Keep slight left at fork onto I 5 Truck
Keep slight left at fork onto I 5
Keep slight right at fork onto I 5
Keep slight left at fork onto I 580
Keep slight right at fork onto I 580 Bypass
Merge onto I 580
Keep slight right at fork onto I 580
Take the exit
Keep slight right at fork
Merge onto I 680
Continue on I 680
Keep slight left at fork onto I 680
Keep slight left at fork onto I 680
Keep slight right at fork onto I 680
Keep slight right at fork onto I 680
Continue on I 680
Keep slight right at fork
Merge onto I 80; CA 12
Keep slight right at fork onto CA 12
Take the exit
Keep slight right at fork
Turn slight right onto Lotz Way
Turn left onto Main Street
Turn left onto Solano Street
Arrive at destination
To make this 439.7-mile trip manageable, plan for at least two intentional stops to stretch your legs and refresh. Since you are spending roughly $102 on gas, keep an eye on your fuel gauge during that long 225.6-mile stretch on the Westside Freeway where services might be spaced further apart. Leaving early in the morning is your best bet to avoid the heaviest traffic on these major California arteries. Because this is a high-speed route, monitor your speed and maintain a consistent pace to optimize your fuel efficiency. Treat this as a multi-day commitment to ensure you arrive in Suisun feeling rested rather than drained.
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.
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 219.9 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 219.9 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 Suisun, CA than in the middle of the route.
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 Suisun, CA
Aim for roughly 220 miles and 4.1 hours of wheel time on this day.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 219.9 mi from Fontana, CA · 4h 7m into the drive
Mid-route town
Overnight candidate
220 mi into the route
Best for: Hotel check-in, dinner, and a fresh start
This lines up well with a realistic day-end stop if you are breaking the drive into stages.
Find hotels in Bakersfield, CANight 1
220 mi · about 4.1h in
A practical overnight split lands near Bakersfield, CA after about 220 miles or 4.1 hours of driving.
Find hotelsA short stop after about 97 miles helps settle the day before fatigue starts building.
The midpoint is around 219.9 miles from Fontana, 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 225.6 miles.
Overnight split
Hotel stopFor a steadier pace, wrap day one after about 220 miles or 4.1 hours on the road.
The final approach into Suisun, 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 Suisun, CA.
On a multi-day trip, keep the last day a little lighter so you reach Suisun, CA with some flexibility left in the schedule.
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.
Regular Gas
$101.82 one way
$203.65 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.07 | $105.01 | $210.02 |
| premium | $6.24 | $108.07 | $216.15 |
| diesel | $5.64 | $97.69 | $195.37 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$102
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$232–$342
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 153.8 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $46 in charging · 1 stop · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 131.9 | 1 | $46.17 | $21.11 |
| Efficient EV | 109.9 | 1 | $38.47 | $17.59 |
| EV Truck/SUV | 175.9 | 2 | $61.56 | $28.14 |
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.
Current conditions at both ends of the drive.
Origin
Afternoon in Fontana on Sunday
Local time
12:22 PM
PDT
Current temp
54°F
Unavailable
Destination
Afternoon in Suisun on Sunday
Local time
12:22 PM
PDT
Current temp
48°F
Unavailable
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
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
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