How far is San Francisco, CA from Los Altos, CA?

The driving distance from San Francisco, CA to Los Altos, CA is about 37.2 miles (59.8 km), with a travel time of about 00h 49m by car.

  • The straight-line flight distance is about 31.7 miles (51 km).
  • For a round trip, plan for roughly 01h 39m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
37.16 mi
00h 49m
Flight
31.7 mi
51.01 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from San Francisco.

Flight Distance

Direct air line
31.7 mi
Kilometers
51.01 km
Flight Time
00h 03m

Driving Distance

Road route
37.16 mi
Kilometers
59.8 km
Drive Time
00h 49m

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 00h 49m.

Arrival Snapshot
Arrive in Los Altos
Wed, Apr 22, 10:32 PM PDT
Return by in San Francisco
Wed, Apr 22, 11:21 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Francisco
2026-04-22T21:42
Arrive Los Altos
Wed, Apr 22, 10:32 PM PDT
Route Timing
00h 49m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
8:50 AM to 10:50 AM PDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:50 PM PDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in San Francisco
9:30 PM PDT
Morning start is best

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.

Mid-route stop
San Mateo
CA

The second most populous city in San Mateo County, California.

From San Francisco
18.6 mi
00h 24m
To Los Altos
18.6 mi
00h 24m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Wednesday

Chance Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
2 to 9 mph WSW
Destination
61°F
Wednesday

Chance Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
6 to 9 mph WSW

Driving Route Map

The map below follows the saved road route between San Francisco and Los Altos.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Francisco and Los Altos.

  1. 1

    Start on Market Street

    95 m · 8 sec · Market Street

  2. 2

    Turn right onto 11th Street

    3173 ft · 2 min · 11th Street

  3. 3

    Turn left onto Bryant Street

    143 m · 18 sec · Bryant Street

  4. 4

    Take the ramp slight right toward US 101 South: San Jose

    1719 ft · 29 sec

  5. 5

    Merge slight right onto James Lick Freeway

    4.3 mi · 6 min · James Lick Freeway

  6. 6

    Continue on Bayshore Freeway

    5.2 mi · 6 min · Bayshore Freeway

  7. 7

    Keep slight left to continue on Bayshore Freeway

    22.9 mi · 26 min · Bayshore Freeway

  8. 8

    Take the exit slight right toward San Antonio Road South

    1743 ft · 43 sec

  9. 9

    Turn straight onto San Antonio Road

    1.9 mi · 4 min · San Antonio Road

  10. 10

    Continue on North San Antonio Road

    1.3 mi · 3 min · North San Antonio Road

  11. 11

    Continue on North San Antonio Road

    743 ft · 21 sec · North San Antonio Road

  12. 12

    Arrive at your destination

    0 m · 1 sec · North San Antonio Road

Car Route Details

A richer read on the saved driving route between San Francisco and Los Altos.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
12 steps
3 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
32.3 / 100 mi
Decision points by distance
Main Roads
Bayshore Freeway
28.1 mi · 76%
James Lick Freeway
4.33 mi · 12%
San Antonio Road
1.9 mi · 5%
North San Antonio Road
1.4 mi · 4%
11th Street
0.6 mi · 2%
San Antonio Road South
0.33 mi · 1%
Longest Stretch

Bayshore Freeway

Keep slight left to continue on Bayshore Freeway

22.9 mi · 00h 26m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 49m
Day trip friendly
Same-Day Return
01h 40m
Round-trip wheel time
Road vs Air
+5.5 mi
31.7 mi direct line
Halfway Stop
San Mateo
00h 24m from San Francisco
Leave By
4:50 PM PDT
Morning start is best
Weather Watch

Chance Light Rain leaving San Francisco and Chance Light Rain near Los Altos.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Francisco to Los Altos?

The road trip is about 37.2 miles (59.8 km) and usually takes 00h 49m 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?

San Mateo is a useful midpoint, sitting about 18.6 miles from San Francisco and 18.6 miles from Los Altos.

How much longer is the road route than the straight-line distance?

The direct path is about 31.7 miles (51 km), while the road route adds roughly 5.5 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 8:00 AM to 10:00 AM PDT. If you want a more comfortable same-day return, try to leave by 4:50 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.56 one way or $15.11 round trip. Estimated CO2 is about 11.6 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain around San Francisco and Chance Light Rain near Los Altos.

Stop Ideas Near San Mateo

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around San Mateo, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to San Mateo.

RAIL

Hayward station

23 mi away
22555 Meekland Avenue
RAIL

Oakland Coliseum station

24 mi away
700 73rd Avenue
BUS

San Francisco (Civic Center), California

25 mi away
1150 Market Street
BUS

San Francisco (Caltrain), California

25 mi away
700 4th St.

Flight Path Map

This map shows the direct air route between San Francisco and Los Altos. Straight-line distance: 31.7 mi (51.01 km).

San Francisco

#1 San Francisco

The seventeenth most populous city in the United States and the center of the San Francisco Bay Area.

Population866,606
Coordinates37.7749300, -122.4194200
Altitude16
CountryUnited States
Los Altos

#2 Los Altos

City in Santa Clara County, California, United States

Population30,281
Coordinates37.3852200, -122.1141300
Altitude48
CountryUnited States
Start: San Francisco (-122.41942, 37.77493)
End: Los Altos (-122.11413, 37.38522)

Estimated Travel Time

Distance: 60 km by road

SpeedTime
30 mph (48.3 km/h)01h 14m
40 mph (64.37 km/h)00h 55m
50 mph (80.47 km/h)00h 44m
60 mph (96.56 km/h)00h 37m
70 mph (112.65 km/h)00h 31m
80 mph (129 km/h)00h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.31 gal
4.96 L · about $7.56
Round trip
$15.11
2.62 gal · 9.92 L
Estimated CO2
11.6 kg one way
Round trip: 23.3 kg / 51 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $7.56 $15.11
Mid-grade $6.07 $7.95 $15.89
Premium $6.24 $8.18 $16.36
Diesel $7.57 $9.91 $19.83

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

There is no time difference between San Francisco and Los Altos. The current time is 21:42:29.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.