Origin
Fontana, CA
Late night in Fontana on Saturday
Local time
4:18 AM
PDT
Current temp
76°F
Unavailable
Live forecast
Trip from Fontana, CA to San Ramon, CA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
7h 23m
Distance
399.2 mi
642 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$92
one way
EV Charging
Unknown
Best Time to Leave
4 AM
7h 13m
★
6 AM
7h 24m
8 AM
7h 45m
10 AM
7h 31m
12 PM
7h 29m
3 PM
7h 32m
5 PM
7h 43m
8 PM
7h 17m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Fontana, CA
Wikimedia Commons
San Ramon, CA
Wikimedia Commons
Trip Overview
The drive from Fontana, CA to San Ramon, CA covers 399.2 miles and takes about 7h 23m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Sierra Avenue, CA 210 West, Foothill Freeway for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $91.75 one way before food or hotel costs.
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
199.6 miles from Fontana, CA
A natural place for your longest stop of the day , about 3h 41m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 7h 23m. Total distance: 399.2 miles.
Family Friendly
Moderate complexity with 2 natural rest stops along the way.
Solo Traveler
7h 23m drive, plan rest stops for pacing.
First-Time Driver
Mostly highway driving (0%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 7h 23m drive with frequent turns across 399.2 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 27 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Sierra Avenue is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. There are only a few real navigation decisions along the way.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
The route itself is not hard, but at 7h 23m, endurance matters. Plan breaks every 2-3 hours. The 0 decision points are all manageable with basic attention.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from Fontana, CA to San Ramon, CA is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Sierra Avenue | — | — |
| CA 210 West | — | — |
| Foothill Freeway | — | — |
| Golden State Freeway | — | — |
| Westside Freeway | — | — |
| William Elton Brown Freeway | — | — |
| Arthur H | — | — |
| I 680 South | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
Sierra Avenue
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana, CA and San Ramon, CA.
1
Start on Merrill Avenue
207 ft
·
6 sec
·
Merrill Avenue
2
Turn right onto Sierra Avenue
3.0 mi
·
4 min
·
Sierra Avenue
3
Take the ramp slight right toward CA 210 West
0.3 mi
·
45 sec
·
CA 210 West
4
Merge slight left onto Foothill Freeway
15 mi
·
17 min
·
Foothill Freeway
5
Keep slight right to continue on Foothill Freeway
1.2 mi
·
1 min
·
Foothill Freeway
6
Keep slight right to continue on Foothill Freeway
2.4 mi
·
2 min
·
Foothill Freeway
7
Keep slight right to continue on Foothill Freeway
1.4 mi
·
1 min
·
Foothill Freeway
8
Keep slight right to continue on Foothill Freeway
1.8 mi
·
2 min
·
Foothill Freeway
9
Keep slight right to continue on Foothill Freeway
20 mi
·
23 min
·
Foothill Freeway
10
Keep slight right to continue on Foothill Freeway
26 mi
·
29 min
·
Foothill Freeway
11
Keep slight right
0.1 mi
·
9 sec
12
Merge slight right
1.0 mi
·
1 min
13
Keep slight left
36 mi
·
41 min
14
Keep slight left to continue on Golden State Freeway
22 mi
·
25 min
·
Golden State Freeway
15
Keep slight right to continue on Westside Freeway
226 mi
·
4 hr 1 min
·
Westside Freeway
16
Keep slight left to continue on William Elton Brown Freeway
16 mi
·
17 min
·
William Elton Brown Freeway
17
Keep slight right to continue on William Elton Brown Freeway
1.1 mi
·
1 min
·
William Elton Brown Freeway
18
Merge slight left onto Arthur H. Breed Junior Freeway
18 mi
·
20 min
·
Arthur H. Breed Junior Freeway
19
Keep slight right to continue on Arthur H. Breed Junior Freeway
1.6 mi
·
1 min
·
Arthur H. Breed Junior Freeway
20
Take the exit slight right toward I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut Creek
0.2 mi
·
16 sec
·
I 680 South, I 680 North: San Jose, Sacramento, Concord, Walnut Creek
21
Keep slight right to continue on I 680 North: Walnut Creek, Concord, Sacramento
0.3 mi
·
30 sec
·
I 680 North: Walnut Creek, Concord, Sacramento
22
Merge slight left onto Donald D Doyle Highway
5.5 mi
·
6 min
·
Donald D Doyle Highway
23
Take the exit slight right toward Crow Canyon Road
0.3 mi
·
36 sec
·
Crow Canyon Road
24
Turn left onto Crow Canyon Road
0.3 mi
·
37 sec
·
Crow Canyon Road
25
Turn right onto San Ramon Valley Boulevard
0.4 mi
·
1 min
·
San Ramon Valley Boulevard
26
Continue on San Ramon Valley Boulevard
364 ft
·
9 sec
·
San Ramon Valley Boulevard
27
Arrive at your destination
Trip Plan
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 199.6 miles from Fontana, CA, or about 3h 41m into the drive.
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 88 miles or 1h 37m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 199.6 miles or 3h 41m 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 17m
Traffic, exits, and arrival timing usually matter more near San Ramon, 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.
Day 1
Settle into the route from Fontana, CA
This is one driving day of about 399.2 miles and 7h 23m.
Your first comfortable stop window is around 88 miles from Fontana, 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.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 199.6 mi from Fontana, CA · 3h 41m into the drive
Mid-route town
Meal stop
200 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 88 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 199.6 miles from Fontana, CA, which is a good place for a longer meal and fuel stop.
Arriving in San Ramon, CA
The final approach into San Ramon, 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 San Ramon, CA.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$91.75 one way
$183.51 round trip
$5.84/gal
25.4 MPG avg
140 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $6.02 | $94.55 | $189.10 |
| premium | $6.18 | $97.08 | $194.16 |
| diesel | $5.61 | $88.14 | $176.28 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$92
Meals
$25–$50
Total
$117–$142
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 139.7 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $42 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 119.8 | 1 | $41.92 | $19.16 |
| Efficient EV | 99.8 | 1 | $34.93 | $15.97 |
| EV Truck/SUV | 159.7 | 1 | $55.89 | $25.55 |
Gas CO2
140 kg
EV CO2
47 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
San Ramon, CA
Late night in San Ramon on Saturday
Local time
4:18 AM
PDT
Current temp
--
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.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Road read
7h 23m 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 Fontana, CA to San Ramon, CA covers 399.2 miles and takes about 7h 23m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Sierra Avenue, CA 210 West, Foothill Freeway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 199.6 miles from Fontana, CA. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $91.75 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.
The route itself is not hard, but at 7h 23m, endurance matters. Plan breaks every 2-3 hours. The 0 decision points are all manageable with basic attention.
This route does not have any notably tricky sections. Most of the drive from Fontana, CA to San Ramon, CA is straightforward, with well-signed roads and simple exits.
The route from Fontana, CA to San Ramon, CA does not surface many named destination signs beyond the main corridor.
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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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