How far is Los Angeles, CA from Portola Valley, CA?
The driving distance from Los Angeles, CA to Portola Valley, CA is about 362.7 miles (583.7 km), with a travel time of about 06h 54m by car.
- The straight-line flight distance is about 321.1 miles (516.7 km).
- For a round trip, plan for roughly 13h 48m 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 54m.
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.
City in Kings County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Los Angeles and Portola Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Los Angeles and Portola Valley.
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1
Start on West 1st Street
761 ft · 32 sec · West 1st Street
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2
Turn right onto North Broadway
1959 ft · 49 sec · North Broadway
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3
Take the ramp right toward US 101 North, CA 110
1234 ft · 30 sec
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4
Merge slight left onto Santa Ana Freeway
1.1 km · 55 sec · Santa Ana Freeway
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5
Continue on Hollywood Freeway
15.5 mi · 20 min · Hollywood Freeway
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6
Keep slight left
1.4 km · 59 sec
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7
Merge slight left onto Golden State Freeway
4.5 mi · 5 min · Golden State Freeway
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8
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
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9
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
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10
Keep slight left
36.1 mi · 42 min
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11
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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12
Keep slight right to continue on Westside Freeway
182.5 mi · 3 hr 16 min · Westside Freeway
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13
Take the exit slight right toward CA 152 West: Gilroy, Hollister, San Jose
1038 ft · 27 sec
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14
Continue straight
28.7 mi · 33 min
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15
Keep slight right
11.9 mi · 17 min
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16
Take the exit slight right toward US 101 North: San Jose
2466 ft · 1 min
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17
Merge slight left onto South Valley Freeway
19.9 mi · 23 min · South Valley Freeway
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18
Keep slight right to continue on CA 85 North: Cupertino, Mountain View
18.4 mi · 21 min
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19
Take the exit slight right toward I 280 North, I 280 South: San Jose, San Francisco
2744 ft · 1 min
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20
Keep slight left to continue on I 280 North: San Francisco
3159 ft · 1 min
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21
Merge slight left onto Junipero Serra Freeway
10.7 mi · 12 min · Junipero Serra Freeway
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22
Take the exit slight right toward Sand Hill Road
842 ft · 20 sec
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23
Keep slight right to continue on Sand Hill Road East, Menlo Park, Atherton, SLAC National Accelerator Laboratory
832 ft · 22 sec
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24
Continue on Sand Hill Road
46 m · 11 sec · Sand Hill Road
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25
Continue on Sand Hill Road
1515 ft · 32 sec · Sand Hill Road
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26
Continue on Sand Hill Road
2.1 mi · 4 min · Sand Hill Road
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27
Continue on Portola Road
1.5 mi · 3 min · Portola Road
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28
Turn right onto Wayside Road
47 m · 7 sec · Wayside Road
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29
Arrive at your destination
0 m · 1 sec · Wayside Road
Car Route Details
A richer read on the saved driving route between Los Angeles and Portola Valley.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Westside Freeway
Keep slight right to continue on Westside Freeway
183 mi · 03h 16m
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.
Mostly Sunny leaving Los Angeles and Partly Sunny near Portola Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Los Angeles to Portola Valley?
The road trip is about 362.7 miles (583.7 km) and usually takes 06h 54m 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?
Avenal is a useful midpoint, sitting about 181.4 miles from Los Angeles and 181.3 miles from Portola Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 321.1 miles (516.7 km), while the road route adds roughly 41.6 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 $73.84 one way or $147.69 round trip. Estimated CO2 is about 113.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Los Angeles and Partly Sunny near Portola Valley.
Stop Ideas Near Avenal
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 Avenal.
Kettleman City, California
Lemoore, California
Lemoore (Naval Air Station), California
Corcoran station
Flight Path Map
This map shows the direct air route between Los Angeles and Portola Valley. Straight-line distance: 321.08 mi (516.73 km).
#1 Los Angeles
The second most populous city in the United States and the center of the Los Angeles metropolitan area.
| Population | 3,970,219 |
| Coordinates | 34.0522300, -118.2436800 |
| Altitude | 89 |
| Country | United States |
#2 Portola Valley
Town in California
| Population | 4,528 |
| Coordinates | 37.3841100, -122.2352400 |
| Altitude | 140 |
| Country | United States |
End: Portola Valley (-122.23524, 37.38411)
Estimated Travel Time
Distance: 584 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 05m |
| 40 mph (64.37 km/h) | 09h 04m |
| 50 mph (80.47 km/h) | 07h 15m |
| 60 mph (96.56 km/h) | 06h 02m |
| 70 mph (112.65 km/h) | 05h 10m |
| 80 mph (129 km/h) | 04h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $73.84 | $147.69 |
| Mid-grade | $6.07 | $77.64 | $155.29 |
| Premium | $6.24 | $79.91 | $159.82 |
| Diesel | $7.57 | $96.86 | $193.72 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.