How far is Simi Valley, CA from Irvine, CA?
The driving distance from Simi Valley, CA to Irvine, CA is about 85.8 miles (138.1 km), with a travel time of about 01h 26m by car.
- The straight-line flight distance is about 68.8 miles (110.7 km).
- For a round trip, plan for roughly 02h 53m 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 26m.
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 the United States and the center of the Los Angeles metropolitan area.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Simi Valley and Irvine.
Turn-by-Turn Driving Directions
Step-by-step road directions between Simi Valley and Irvine.
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1
Start on 3rd Street
808 ft · 38 sec · 3rd Street
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2
Turn right onto East Los Angeles Avenue
695 ft · 14 sec · East Los Angeles Avenue
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3
Turn left onto First Street
1.1 km · 1 min · First Street
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4
Take the ramp right toward CA 118 East
1257 ft · 33 sec
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5
Merge slight left onto Ronald Reagan Freeway
12 mi · 14 min · Ronald Reagan Freeway
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6
Keep slight right to continue on Ronald Reagan Freeway
2.5 mi · 3 min · Ronald Reagan Freeway
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7
Keep slight right to continue on Ronald Reagan Freeway
1.9 mi · 2 min · Ronald Reagan Freeway
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8
Keep slight right to continue on Ronald Reagan Freeway
2.4 mi · 3 min · Ronald Reagan Freeway
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9
Keep slight right to continue on Ronald Reagan Freeway
1.5 km · 1 min · Ronald Reagan Freeway
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10
Take the exit slight right toward I 5 South: Los Angeles
1.3 km · 2 min
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11
Merge slight left onto Golden State Freeway
21.8 mi · 26 min · Golden State Freeway
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12
Keep slight left to continue on Golden State Freeway
1.3 mi · 2 min · Golden State Freeway
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13
Merge slight left onto Santa Ana Freeway
25.7 mi · 30 min · Santa Ana Freeway
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14
Keep slight right to continue on Santa Ana Freeway
1241 ft · 16 sec · Santa Ana Freeway
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15
Take the exit slight right toward Broadway, Main Street, Santa Ana
1.3 km · 57 sec
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16
Keep slight left
788 ft · 10 sec
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17
Keep slight left to continue on I 5 South
981 ft · 13 sec
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18
Merge slight left onto Santa Ana Freeway
1.3 km · 54 sec · Santa Ana Freeway
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19
Keep slight right to continue on Santa Ana Freeway
1.2 km · 52 sec · Santa Ana Freeway
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20
Keep slight right to continue on Santa Ana Freeway
1.1 mi · 1 min · Santa Ana Freeway
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21
Take the exit slight right toward CA 55 South: Newport Beach
2131 ft · 28 sec
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22
Merge slight left onto Costa Mesa Freeway
3.7 mi · 4 min · Costa Mesa Freeway
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23
Take the exit slight right toward I 405 South: John Wayne Airport
3019 ft · 39 sec
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24
Keep slight left to continue on I 405 South
775 ft · 10 sec
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25
Merge slight left onto San Diego Freeway
2.7 mi · 3 min · San Diego Freeway
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26
Arrive at your destination
0 m · 1 sec · San Diego Freeway
Car Route Details
A richer read on the saved driving route between Simi Valley and Irvine.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Santa Ana Freeway
Merge slight left onto Santa Ana Freeway
25.7 mi · 00h 30m
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.
Sunny leaving Simi Valley and Mostly Sunny near Irvine.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Simi Valley to Irvine?
The road trip is about 85.8 miles (138.1 km) and usually takes 01h 26m 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?
Los Angeles is a useful midpoint, sitting about 40.9 miles from Simi Valley and 44.9 miles from Irvine.
How much longer is the road route than the straight-line distance?
The direct path is about 68.8 miles (110.7 km), while the road route adds roughly 17 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 3:36 PM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.48 one way or $34.96 round trip. Estimated CO2 is about 26.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Simi Valley and Mostly Sunny near Irvine.
Stop Ideas Near Los Angeles
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bell Gardens Inn Los Angeles
City of South El Monte City Hall
City of Los Angeles
City Of El Monte Public Works Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Los Angeles.
Los Angeles Union Station
Glendale Transportation Center
Pasadena, California
Westchester, CA
Flight Path Map
This map shows the direct air route between Simi Valley and Irvine. Straight-line distance: 68.8 mi (110.73 km).
#1 Simi Valley
The third most populous city in Ventura County, California.
| Population | 125,168 |
| Coordinates | 34.2694500, -118.7814800 |
| Altitude | 234 |
| Country | United States |
#2 Irvine
A city located in Orange County, California.
| Population | 283,700 |
| Coordinates | 33.6694600, -117.8231100 |
| Altitude | 17 |
| Country | United States |
End: (-117.823114, 33.669436)
Estimated Travel Time
Distance: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 51m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 42m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $17.48 | $34.96 |
| Mid-grade | $6.07 | $18.38 | $36.76 |
| Premium | $6.24 | $18.92 | $37.83 |
| Diesel | $7.57 | $22.93 | $45.86 |
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.