How far is Isla Vista, CA from Fontana, CA?
The driving distance from Isla Vista, CA to Fontana, CA is about 154.3 miles (248.4 km), with a travel time of about 03h 03m by car.
- The straight-line flight distance is about 140.3 miles (225.8 km).
- For a round trip, plan for roughly 06h 06m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 03m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Los Angeles 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 Isla Vista and Fontana.
Turn-by-Turn Driving Directions
Step-by-step road directions between Isla Vista and Fontana.
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1
Start on the route
28 m · 12 sec
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2
Turn left
79 m · 25 sec
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3
Turn left onto Abrego Road
565 ft · 29 sec · Abrego Road
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4
Turn right onto Camino del Sur
1145 ft · 56 sec · Camino del Sur
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5
Turn right onto El Colegio Road
565 ft · 21 sec · El Colegio Road
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6
Turn left onto South Los Carneros Road
1.6 mi · 3 min · South Los Carneros Road
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7
Take the ramp right toward US 101 South
2026 ft · 50 sec
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8
Merge slight left onto El Camino Real
22.2 mi · 26 min · El Camino Real
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9
Continue on Ventura Freeway
70.5 mi · 1 hr 21 min · Ventura Freeway
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10
Keep slight left to continue on Ventura Freeway
1.5 km · 1 min · Ventura Freeway
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11
Keep slight right to continue on Ventura Freeway
1.4 mi · 2 min · Ventura Freeway
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12
Keep slight right to continue on Ventura Freeway
1.6 km · 1 min · Ventura Freeway
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13
Keep slight right to continue on Ventura Freeway
1.6 km · 1 min · Ventura Freeway
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14
Keep slight right to continue on Ventura Freeway
2.2 mi · 3 min · Ventura Freeway
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15
Keep slight right to continue on Ventura Freeway
1.2 km · 51 sec · Ventura Freeway
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16
Keep slight right to continue on Ventura Freeway
7.2 mi · 8 min · Ventura Freeway
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17
Merge slight right onto Foothill Freeway
17.9 mi · 21 min · Foothill Freeway
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18
Keep slight right to continue on Foothill Freeway
2.9 mi · 3 min · Foothill Freeway
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19
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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20
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
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21
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
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22
Keep slight right to continue on Foothill Freeway
16.1 mi · 19 min · Foothill Freeway
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23
Take the exit slight right toward Sierra Avenue
1796 ft · 46 sec
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24
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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25
Turn left onto Merrill Avenue
63 m · 4 sec · Merrill Avenue
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26
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Isla Vista and Fontana.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Ventura Freeway
Continue on Ventura Freeway
70.5 mi · 01h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Isla Vista and Sunny near Fontana.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Isla Vista to Fontana?
The road trip is about 154.3 miles (248.4 km) and usually takes 03h 03m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Hidden Hills is a useful midpoint, sitting about 77.1 miles from Isla Vista and 77.3 miles from Fontana.
How much longer is the road route than the straight-line distance?
The direct path is about 140.3 miles (225.8 km), while the road route adds roughly 14 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 10:54 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.44 one way or $62.88 round trip. Estimated CO2 is about 48.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Isla Vista and Sunny near Fontana.
Stop Ideas Near Hidden Hills
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Homewood Suites by Hilton Agoura Hills
City of Thousand Oaks
Platinum Banquet Hall
Hampton Inn & Suites Agoura Hills
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hidden Hills.
Chatsworth station
Simi Valley
Van Nuys station
Westwood-UCLA, CA
Flight Path Map
This map shows the direct air route between Isla Vista and Fontana. Straight-line distance: 140.31 mi (225.8 km).
#1 Isla Vista
California
| Population | 23,096 |
| Coordinates | 34.4133300, -119.8609700 |
| Altitude | 14 |
| 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: 248 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 08m |
| 40 mph (64.37 km/h) | 03h 51m |
| 50 mph (80.47 km/h) | 03h 05m |
| 60 mph (96.56 km/h) | 02h 34m |
| 70 mph (112.65 km/h) | 02h 12m |
| 80 mph (129 km/h) | 01h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $31.44 | $62.88 |
| Mid-grade | $6.07 | $33.06 | $66.12 |
| Premium | $6.24 | $34.02 | $68.05 |
| Diesel | $7.57 | $41.24 | $82.48 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.