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

The driving distance from San Francisco, CA to Belmont, CA is about 22.4 miles (36.1 km), with a travel time of about 00h 29m by car.

  • The straight-line flight distance is about 19.3 miles (31 km).
  • For a round trip, plan for roughly 00h 58m 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
22.44 mi
00h 29m
Flight
19.27 mi
31.02 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from San Francisco.

Flight Distance

Direct air line
19.27 mi
Kilometers
31.02 km
Flight Time
00h 02m

Driving Distance

Road route
22.44 mi
Kilometers
36.11 km
Drive Time
00h 29m

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 29m.

Arrival Snapshot
Arrive in Belmont
Sat, Apr 18, 9:46 AM PDT
Return by in San Francisco
Sat, Apr 18, 10:15 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Francisco
2026-04-18T09:16
Arrive Belmont
Sat, Apr 18, 9:46 AM PDT
Route Timing
00h 29m
One way by road
Best Departure Window
7:00 AM to 7:00 PM PDT
Leave when it suits your day
Arrive between
7:29 AM to 7:29 PM PDT

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

Leave by
7:32 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

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
San Bruno
CA

A city in San Mateo County, California.

From San Francisco
11.2 mi
00h 14m
To Belmont
11.2 mi
00h 14m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
0 to 7 mph S
Destination
70°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
3 to 8 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    11.1 mi · 13 min · Bayshore Freeway

  8. 8

    Take the exit slight right toward Ralston Avenue, Marine Parkway

    155 m · 12 sec

  9. 9

    Keep slight right to continue on Ralston Avenue

    975 ft · 28 sec

  10. 10

    Turn right onto Marine Parkway

    1317 ft · 28 sec · Marine Parkway

  11. 11

    Continue on Ralston Avenue

    917 ft · 27 sec · Ralston Avenue

  12. 12

    Turn left onto El Camino Real

    44 m · 8 sec · El Camino Real

  13. 13

    Arrive at your destination

    0 m · 1 sec · El Camino Real

Car Route Details

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

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
13 steps
4 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
58 / 100 mi
Decision points by distance
Main Roads
Bayshore Freeway
16.3 mi · 73%
James Lick Freeway
4.33 mi · 19%
11th Street
0.6 mi · 3%
Ralston Avenue
0.45 mi · 2%
US 101 South
0.33 mi · 1%
Marine Parkway
0.25 mi · 1%
Longest Stretch

Bayshore Freeway

Keep slight left to continue on Bayshore Freeway

11.1 mi · 00h 13m

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 29m
Quick drive
Same-Day Return
00h 58m
Round-trip wheel time
Road vs Air
+3.1 mi
19.3 mi direct line
Halfway Stop
San Bruno
00h 14m from San Francisco
Leave By
7:32 PM PDT
Flexible departure
Weather Watch

Mostly Sunny leaving San Francisco and Sunny near Belmont.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 22.4 miles (36.1 km) and usually takes 00h 29m 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?

San Bruno is a useful midpoint, sitting about 11.2 miles from San Francisco and 11.2 miles from Belmont.

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

The direct path is about 19.3 miles (31 km), while the road route adds roughly 3.1 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 7:32 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.56 one way or $9.12 round trip. Estimated CO2 is about 7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around San Francisco and Sunny near Belmont.

Stop Ideas Near San Bruno

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 San Bruno and the surrounding midpoint area.
San Francisco City Hall Wedding Photographer
Practical stop 11.2 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 2.1 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 8.4 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 10.9 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 San Bruno.

BUS

San Francisco (Caltrain), California

16 mi away
700 4th St.
BUS

San Francisco (Civic Center), California

17 mi away
1150 Market Street
BUS

San Francisco (Shopping), California

17 mi away
835 Market Street
BUS

San Francisco (Conv Ctr), California

17 mi away
747 Howard St.

Flight Path Map

This map shows the direct air route between San Francisco and Belmont. Straight-line distance: 19.27 mi (31.02 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
Belmont

#2 Belmont

Town in Middlesex County, Massachusetts, United States

Population26,533
Coordinates37.5202100, -122.2758000
Altitude13
CountryUnited States
Start: San Francisco (-122.41942, 37.77493)
End: Belmont (-122.2758, 37.52021)

Estimated Travel Time

Distance: 36 km by road

SpeedTime
30 mph (48.3 km/h)00h 44m
40 mph (64.37 km/h)00h 33m
50 mph (80.47 km/h)00h 26m
60 mph (96.56 km/h)00h 22m
70 mph (112.65 km/h)00h 19m
80 mph (129 km/h)00h 16m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.79 gal
3 L · about $4.56
Round trip
$9.12
1.58 gal · 6 L
Estimated CO2
7 kg one way
Round trip: 14 kg / 31 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $4.56 $9.12
Mid-grade $6.07 $4.79 $9.58
Premium $6.24 $4.93 $9.86
Diesel $7.57 $5.98 $11.96

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 18, 2026

There is no time difference between San Francisco and Belmont. The current time is 09:16:45.

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.