How far is Fontana, CA from Simi Valley, CA?
The driving distance from Fontana, CA to Simi Valley, CA is about 87.6 miles (141 km), with a travel time of about 01h 44m by car.
- The straight-line flight distance is about 77.9 miles (125.4 km).
- For a round trip, plan for roughly 03h 29m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 44m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
The second most populous city in Los Angeles County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Fontana and Simi Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fontana and Simi Valley.
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1
Start on Merrill Avenue
63 m · 6 sec · Merrill Avenue
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2
Turn right onto Sierra Avenue
3 mi · 5 min · Sierra Avenue
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3
Take the ramp slight right toward CA 210 West
1784 ft · 45 sec
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4
Merge slight left onto Foothill Freeway
14.8 mi · 17 min · Foothill Freeway
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5
Keep slight right to continue on Foothill Freeway
1.2 mi · 1 min · Foothill Freeway
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6
Keep slight right to continue on Foothill Freeway
2.4 mi · 3 min · Foothill Freeway
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7
Keep slight right to continue on Foothill Freeway
1.4 mi · 2 min · Foothill Freeway
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8
Keep slight right to continue on Foothill Freeway
1.8 mi · 2 min · Foothill Freeway
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9
Keep slight right to continue on Foothill Freeway
20 mi · 23 min · Foothill Freeway
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10
Keep slight left to continue on Ventura Freeway
6.4 mi · 7 min · Ventura Freeway
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11
Keep slight right to continue on Ventura Freeway
1.1 mi · 1 min · Ventura Freeway
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12
Keep slight right to continue on Ventura Freeway
2776 ft · 36 sec · Ventura Freeway
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13
Take the exit slight right toward I 5: Golden State Freeway, Los Angeles, Sacramento
1862 ft · 24 sec
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14
Keep slight right to continue on I 5 North, CA 134 West: Golden State Freeway, Sacramento, Ventura Freeway, Ventura, Zoo Drive
98 m · 4 sec
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15
Keep slight left to continue on I 5 North: Golden State Freeway, Sacramento
2550 ft · 33 sec
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16
Merge slight right onto Golden State Freeway
11.9 mi · 14 min · Golden State Freeway
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17
Take the exit slight right toward CA 118 West, CA 118 East
702 ft · 9 sec
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18
Keep slight left to continue on CA 118 West
1.4 km · 59 sec
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19
Merge slight right onto Ronald Reagan Freeway
2639 ft · 35 sec · Ronald Reagan Freeway
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20
Keep slight right to continue on Ronald Reagan Freeway
1.8 mi · 2 min · Ronald Reagan Freeway
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21
Keep slight right to continue on Ronald Reagan Freeway
1 mi · 1 min · Ronald Reagan Freeway
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22
Keep slight right to continue on Ronald Reagan Freeway
1.9 mi · 2 min · Ronald Reagan Freeway
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23
Keep slight right to continue on Ronald Reagan Freeway
1.2 mi · 1 min · Ronald Reagan Freeway
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24
Keep slight right to continue on Ronald Reagan Freeway
1.9 mi · 2 min · Ronald Reagan Freeway
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25
Keep slight right to continue on Ronald Reagan Freeway
11.1 mi · 13 min · Ronald Reagan Freeway
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26
Take the exit slight right toward First Street
1667 ft · 53 sec
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27
Turn left onto First Street
1.3 km · 2 min · First Street
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28
Turn right onto East Los Angeles Avenue
697 ft · 17 sec · East Los Angeles Avenue
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29
Turn left onto 3rd Street
856 ft · 38 sec · 3rd Street
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30
Arrive at your destination
0 m · 1 sec · 3rd Street
Car Route Details
A richer read on the saved driving route between Fontana and Simi Valley.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Foothill Freeway
Keep slight right to continue on Foothill Freeway
20 mi · 00h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Fontana and Sunny near Simi Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fontana to Simi Valley?
The road trip is about 87.6 miles (141 km) and usually takes 01h 44m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Pasadena is a useful midpoint, sitting about 43.7 miles from Fontana and 43.9 miles from Simi Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 77.9 miles (125.4 km), while the road route adds roughly 9.7 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 3:00 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.83 one way or $35.65 round trip. Estimated CO2 is about 27.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fontana and Sunny near Simi Valley.
Stop Ideas Near Pasadena
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
The Manor Hotel
City of South El Monte City Hall
City of Los Angeles
Vernon City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Pasadena.
Pasadena, California
Glendale Transportation Center
Los Angeles Union Station
La Crescenta, California
Flight Path Map
This map shows the direct air route between Fontana and Simi Valley. Straight-line distance: 77.93 mi (125.41 km).
#1 Fontana
The second most populous city in San Bernardino County, California.
| Population | 216,173 |
| Coordinates | 34.0922300, -117.4350500 |
| Altitude | 377 |
| Country | United States |
#2 Simi Valley
The third most populous city in Ventura County, California.
| Population | 125,168 |
| Coordinates | 34.2694500, -118.7814800 |
| Altitude | 234 |
| Country | United States |
End: Simi Valley (-118.78148, 34.26945)
Estimated Travel Time
Distance: 141 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 55m |
| 40 mph (64.37 km/h) | 02h 11m |
| 50 mph (80.47 km/h) | 01h 45m |
| 60 mph (96.56 km/h) | 01h 27m |
| 70 mph (112.65 km/h) | 01h 15m |
| 80 mph (129 km/h) | 01h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $17.83 | $35.65 |
| Mid-grade | $6.07 | $18.74 | $37.49 |
| Premium | $6.24 | $19.29 | $38.58 |
| Diesel | $7.57 | $23.38 | $46.76 |
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.