How far is San Francisco, CA from San Mateo, CA?

The driving distance from San Francisco, CA to San Mateo, CA is about 19 miles (30.5 km), with a travel time of about 00h 25m by car.

  • The straight-line flight distance is about 15.5 miles (25 km).
  • For a round trip, plan for roughly 00h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM PDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
18.95 mi
00h 25m
Flight
15.52 mi
24.97 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from San Francisco.

Flight Distance

Direct air line
15.52 mi
Kilometers
24.97 km
Flight Time
00h 01m

Driving Distance

Road route
18.95 mi
Kilometers
30.5 km
Drive Time
00h 25m

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 25m.

Arrival Snapshot
Arrive in San Mateo
Wed, Apr 22, 9:34 PM PDT
Return by in San Francisco
Wed, Apr 22, 10:00 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Francisco
2026-04-22T21:08
Arrive San Mateo
Wed, Apr 22, 9:34 PM PDT
Route Timing
00h 25m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:26 AM to 7:26 PM PDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:38 PM PDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in San Francisco
10:00 PM PDT
Flexible departure

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
South San Francisco
CA

The most populous city in San Mateo County, California.

From San Francisco
9.5 mi
00h 12m
To San Mateo
9.4 mi
00h 12m

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
San Mateo Weather
CA
Live fallback forecast
63°F
Wednesday
Using Belmont as the closest live forecast in the San Mateo County weather hub.

Chance Light Rain

Starts
Wed, Apr 22 6:00 AM PDT
Wind
7 to 10 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between San Francisco and San Mateo.

  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

    7.2 mi · 8 min · Bayshore Freeway

  8. 8

    Take the exit slight right toward Downtown San Mateo, 3rd Avenue

    141 m · 13 sec

  9. 9

    Keep slight right to continue on 3rd Avenue West, Downtown San Mateo

    107 m · 9 sec

  10. 10

    Keep slight left to continue on 3rd Avenue West, Downtown San Mateo

    158 m · 19 sec

  11. 11

    Turn straight onto East 3rd Avenue

    1408 ft · 33 sec · East 3rd Avenue

  12. 12

    Turn left onto South Delaware Street

    114 m · 12 sec · South Delaware Street

  13. 13

    Turn right onto East 4th Avenue

    2266 ft · 51 sec · East 4th Avenue

  14. 14

    Turn right onto South El Camino Real

    82 m · 7 sec · South El Camino Real

  15. 15

    Arrive at your destination

    0 m · 1 sec · South El Camino Real

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
15 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
79.4 / 100 mi
Decision points by distance
Main Roads
Bayshore Freeway
12.5 mi · 66%
James Lick Freeway
4.33 mi · 23%
11th Street
0.6 mi · 3%
East 4th Avenue
0.43 mi · 2%
US 101 South
0.33 mi · 2%
East 3rd Avenue
0.27 mi · 1%
Longest Stretch

Bayshore Freeway

Keep slight left to continue on Bayshore Freeway

7.23 mi · 00h 08m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 25m
Quick drive
Same-Day Return
00h 52m
Round-trip wheel time
Road vs Air
+3.5 mi
15.5 mi direct line
Halfway Stop
South San Francisco
00h 12m from San Francisco
Leave By
7:38 PM PDT
Flexible departure
Weather Watch

Chance Light Rain leaving San Francisco and Chance Light Rain near San Mateo.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Francisco to San Mateo?

The road trip is about 19 miles (30.5 km) and usually takes 00h 25m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

South San Francisco is a useful midpoint, sitting about 9.5 miles from San Francisco and 9.4 miles from San Mateo.

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

The direct path is about 15.5 miles (25 km), while the road route adds roughly 3.5 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 7:00 AM to 7:00 PM PDT. If you want a more comfortable same-day return, try to leave by 7:38 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.87 one way or $7.73 round trip. Estimated CO2 is about 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 San Mateo.

Stop Ideas Near South San Francisco

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around South San Francisco and the surrounding midpoint area.
San Francisco City Hall Wedding Photographer
Practical stop 9.5 mi away

San Francisco City Hall Wedding Photographer

San Francisco , CA
3365 Sacramento St #435, San Francisco, CA 94118, United States
Rating 5.0/5 21 reviews Wedding photographer,Photographer,Wedding service
City of South San Francisco: City Attorney
Meeting point 0.7 mi away

City of South San Francisco: City Attorney

South San Francisco , CA
601 Grand Ave, South San Francisco, CA 94080, United States
Rating 5.0/5 2 reviews Government office
SF City Hall Photographer
Nearby stop 6.7 mi away

SF City Hall Photographer

San Francisco , CA
564 Clipper St, San Francisco, CA 94114, United States
Rating 5.0/5 2 reviews Wedding photographer
My City Hall Wedding
Practical stop 9.2 mi away

My City Hall Wedding

San Francisco , CA
1480 Sutter St #302, San Francisco, CA 94109, United States
Rating 5.0/5 8 reviews Wedding photographer,Wedding planner,Wedding service,Wedding store

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to South San Francisco.

BUS

San Francisco (Civic Center), California

14 mi away
1150 Market Street
BUS

San Francisco (Shopping), California

14 mi away
835 Market Street
BUS

San Francisco (Caltrain), California

14 mi away
700 4th St.
BUS

San Francisco (Conv Ctr), California

14 mi away
747 Howard St.

Flight Path Map

This map shows the direct air route between San Francisco and San Mateo. Straight-line distance: 15.52 mi (24.97 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
San Mateo

#2 San Mateo

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

Population102,398
Coordinates37.5629900, -122.3255300
Altitude13
CountryUnited States
Start: San Francisco (-122.41942, 37.77493)
End: San Mateo (-122.32553, 37.56299)

Estimated Travel Time

Distance: 31 km by road

SpeedTime
30 mph (48.3 km/h)00h 37m
40 mph (64.37 km/h)00h 28m
50 mph (80.47 km/h)00h 22m
60 mph (96.56 km/h)00h 18m
70 mph (112.65 km/h)00h 16m
80 mph (129 km/h)00h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.67 gal
2.53 L · about $3.87
Round trip
$7.73
1.34 gal · 5.06 L
Estimated CO2
6 kg one way
Round trip: 11.9 kg / 26 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $3.87 $7.73
Mid-grade $6.07 $4.06 $8.13
Premium $6.24 $4.18 $8.37
Diesel $7.57 $5.07 $10.14

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 San Mateo. The current time is 21:08:47.

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.