How far is Los Altos, CA from Irvine, CA?
The driving distance from Los Altos, CA to Irvine, CA is about 399.8 miles (643.4 km), with a travel time of about 06h 39m by car.
- The straight-line flight distance is about 352.3 miles (566.9 km).
- For a round trip, plan for roughly 13h 19m 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 06h 39m.
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.
Chance Light Rain
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Los Altos and Irvine.
Turn-by-Turn Driving Directions
Step-by-step road directions between Los Altos and Irvine.
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1
Start on North San Antonio Road
556 ft · 18 sec · North San Antonio Road
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2
Continue on North San Antonio Road
1.5 km · 2 min · North San Antonio Road
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3
Continue on Foothill Expressway
3.8 mi · 7 min · Foothill Expressway
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4
Take the exit slight right toward I 280 South: San Jose
1659 ft · 41 sec
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5
Turn slight left onto Junipero Serra Freeway
1814 ft · 25 sec · Junipero Serra Freeway
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6
Take the exit right toward CA 85 South: Gilroy
2422 ft · 59 sec
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7
Merge slight left onto West Valley Freeway
18.1 mi · 21 min · West Valley Freeway
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8
Continue on US 101 South
1922 ft · 27 sec
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9
Continue straight
20.3 mi · 23 min
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10
Take the exit slight right toward CA 152 East: 10th Street, Pacheco Pass Road
1539 ft · 40 sec
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11
Turn left onto East 10th Street
108 m · 13 sec · East 10th Street
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12
Continue on Pacheco Pass Highway
40.6 mi · 50 min · Pacheco Pass Highway
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13
Take the exit slight right toward I 5: Los Angeles
3148 ft · 1 min
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14
Merge slight left onto Westside Freeway
181.1 mi · 3 hr 14 min · Westside Freeway
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15
Keep slight right
58.4 mi · 1 hr 7 min
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16
Keep slight left to continue on Golden State Freeway
4.1 mi · 5 min · Golden State Freeway
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17
Keep slight right to continue on I 405 South
1354 ft · 18 sec
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18
Keep slight left
24.7 mi · 29 min
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19
Keep slight left to continue on Golden State Freeway
1.3 mi · 2 min · Golden State Freeway
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20
Merge slight left onto Santa Ana Freeway
25.7 mi · 30 min · Santa Ana Freeway
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21
Keep slight right to continue on Santa Ana Freeway
1241 ft · 16 sec · Santa Ana Freeway
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22
Take the exit slight right toward Broadway, Main Street, Santa Ana
1.3 km · 57 sec
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23
Keep slight left
788 ft · 10 sec
-
24
Keep slight left to continue on I 5 South
981 ft · 13 sec
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25
Merge slight left onto Santa Ana Freeway
1.3 km · 54 sec · Santa Ana Freeway
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26
Keep slight right to continue on Santa Ana Freeway
1.2 km · 52 sec · Santa Ana Freeway
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27
Keep slight right to continue on Santa Ana Freeway
1.1 mi · 1 min · Santa Ana Freeway
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28
Take the exit slight right toward CA 55 South: Newport Beach
2131 ft · 28 sec
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29
Merge slight left onto Costa Mesa Freeway
3.7 mi · 4 min · Costa Mesa Freeway
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30
Take the exit slight right toward I 405 South: John Wayne Airport
3019 ft · 39 sec
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31
Keep slight left to continue on I 405 South
775 ft · 10 sec
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32
Merge slight left onto San Diego Freeway
2.7 mi · 3 min · San Diego Freeway
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33
Arrive at your destination
0 m · 1 sec · San Diego Freeway
Car Route Details
A richer read on the saved driving route between Los Altos and Irvine.
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.
Chance Light Rain leaving Los Altos 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 Los Altos to Irvine?
The road trip is about 399.8 miles (643.4 km) and usually takes 06h 39m 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 196.7 miles from Los Altos and 203.1 miles from Irvine.
How much longer is the road route than the straight-line distance?
The direct path is about 352.3 miles (566.9 km), while the road route adds roughly 47.5 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 $81.40 one way or $162.80 round trip. Estimated CO2 is about 125.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Los Altos and Mostly Sunny near Irvine.
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 Los Altos and Irvine. Straight-line distance: 352.24 mi (566.87 km).
#1 Los Altos
City in Santa Clara County, California, United States
| Population | 30,281 |
| Coordinates | 37.3852200, -122.1141300 |
| Altitude | 48 |
| 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: 643 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 19m |
| 40 mph (64.37 km/h) | 09h 59m |
| 50 mph (80.47 km/h) | 07h 59m |
| 60 mph (96.56 km/h) | 06h 39m |
| 70 mph (112.65 km/h) | 05h 42m |
| 80 mph (129 km/h) | 04h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $81.40 | $162.80 |
| Mid-grade | $6.07 | $85.59 | $171.18 |
| Premium | $6.24 | $88.09 | $176.18 |
| Diesel | $7.57 | $106.77 | $213.54 |
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.