How far is Sunnyvale, CA from Fontana, CA?
The driving distance from Sunnyvale, CA to Fontana, CA is about 395.8 miles (637 km), with a travel time of about 07h 30m by car.
- The straight-line flight distance is about 343.2 miles (552.4 km).
- For a round trip, plan for roughly 15h 00m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 07h 30m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Census-designated place in Kern County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Sunnyvale and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sunnyvale and Fontana.
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1
Start on West El Camino Real
726 ft · 18 sec · West El Camino Real
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2
Turn slight left
86 m · 20 sec
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3
Turn sharp left onto West El Camino Real
1174 ft · 33 sec · West El Camino Real
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4
Turn right onto South Mathilda Avenue
1.9 mi · 4 min · South Mathilda Avenue
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5
Take the ramp slight right toward US 101 South: San Jose
1789 ft · 46 sec
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6
Merge slight left onto Bayshore Freeway
39.5 mi · 46 min · Bayshore Freeway
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7
Take the exit slight right toward CA 152 East: 10th Street, Pacheco Pass Road
1539 ft · 40 sec
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8
Turn left onto East 10th Street
108 m · 13 sec · East 10th Street
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9
Continue on Pacheco Pass Highway
40.6 mi · 50 min · Pacheco Pass Highway
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10
Take the exit slight right toward I 5: Los Angeles
3148 ft · 1 min
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11
Merge slight left onto Westside Freeway
181.1 mi · 3 hr 14 min · Westside Freeway
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12
Keep slight right
58.4 mi · 1 hr 7 min
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13
Keep slight left to continue on Golden State Freeway
2 mi · 2 min · Golden State Freeway
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14
Take the exit slight right toward I 210 East: Pasadena
1347 ft · 18 sec
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15
Continue on Foothill Freeway
24.4 mi · 28 min · Foothill Freeway
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16
Keep slight right to continue on Foothill Freeway
19.1 mi · 22 min · Foothill Freeway
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17
Keep slight right to continue on Foothill Freeway
2.9 mi · 3 min · Foothill Freeway
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18
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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19
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
-
20
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
-
21
Keep slight right to continue on Foothill Freeway
16.1 mi · 19 min · Foothill Freeway
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22
Take the exit slight right toward Sierra Avenue
1796 ft · 46 sec
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23
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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24
Turn left onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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25
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Sunnyvale and Fontana.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Westside Freeway
Merge slight left onto Westside Freeway
181 mi · 03h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Sunnyvale and Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sunnyvale to Fontana?
The road trip is about 395.8 miles (637 km) and usually takes 07h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Lost Hills is a useful midpoint, sitting about 197.9 miles from Sunnyvale and 197.9 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 343.2 miles (552.4 km), while the road route adds roughly 52.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $80.59 one way or $161.19 round trip. Estimated CO2 is about 124.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Sunnyvale and Sunny near Fontana.
Stop Ideas Near Lost Hills
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lost Hills.
Wasco station
Kettleman City, California
Corcoran station
Bakersfield
Flight Path Map
This map shows the direct air route between Sunnyvale and Fontana. Straight-line distance: 343.22 mi (552.36 km).
#1 Sunnyvale
The sixth most populous city in Santa Clara County, California.
| Population | 151,746 |
| Coordinates | 37.3688300, -122.0363500 |
| Altitude | 39 |
| Country | United States |
#2 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
End: Fontana (-117.43505, 34.09223)
Estimated Travel Time
Distance: 637 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 11m |
| 40 mph (64.37 km/h) | 09h 53m |
| 50 mph (80.47 km/h) | 07h 54m |
| 60 mph (96.56 km/h) | 06h 35m |
| 70 mph (112.65 km/h) | 05h 39m |
| 80 mph (129 km/h) | 04h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $80.59 | $161.19 |
| Mid-grade | $6.07 | $84.74 | $169.48 |
| Premium | $6.24 | $87.21 | $174.43 |
| Diesel | $7.57 | $105.71 | $211.42 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in California · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.