How far is San Francisco, CA from Ben Lomond, CA?

The driving distance from San Francisco, CA to Ben Lomond, CA is about 73.7 miles (118.6 km), with a travel time of about 01h 39m by car.

  • The straight-line flight distance is about 50.8 miles (81.7 km).
  • For a round trip, plan for roughly 03h 19m 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
73.72 mi
01h 39m
Flight
50.78 mi
81.73 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
50.78 mi
Kilometers
81.73 km
Flight Time
00h 06m

Driving Distance

Road route
73.72 mi
Kilometers
118.64 km
Drive Time
01h 39m

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 01h 39m.

Arrival Snapshot
Arrive in Ben Lomond
Thu, Apr 23, 12:03 AM PDT
Return by in San Francisco
Thu, Apr 23, 1:43 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Francisco
2026-04-22T22:23
Arrive Ben Lomond
Thu, Apr 23, 12:03 AM PDT
Route Timing
01h 39m
One way by road
Best Departure Window
8:00 AM to 10:00 AM PDT
Aim for a morning departure
Arrive between
9:40 AM to 11:40 AM PDT

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

Leave by
3:10 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
Mountain View
CA

Community in Contra Costa County, California

From San Francisco
36.8 mi
00h 49m
To Ben Lomond
36.8 mi
00h 49m

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

Slight Chance Light Rain then Mostly Sunny

Starts
Wed, Apr 22 6:00 AM PDT
Wind
6 to 13 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between San Francisco and Ben Lomond.

  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

    25 mi · 29 min · Bayshore Freeway

  8. 8

    Keep slight right to continue on CA 85 South: Cupertino, Santa Cruz

    13.3 mi · 15 min

  9. 9

    Take the exit right toward CA 17: San Jose, Santa Cruz

    771 ft · 15 sec

  10. 10

    Keep slight right to continue on CA 17 South: Santa Cruz

    1746 ft · 35 sec

  11. 11

    Merge slight left

    16.1 mi · 23 min

  12. 12

    Take the exit slight right toward Granite Creek Road

    1097 ft · 20 sec

  13. 13

    Turn left onto Scotts Valley Drive

    1.7 mi · 4 min · Scotts Valley Drive

  14. 14

    Turn right onto Mount Hermon Road

    3.1 mi · 6 min · Mount Hermon Road

  15. 15

    Turn right onto Graham Hill Road

    973 ft · 34 sec · Graham Hill Road

  16. 16

    Turn right onto Highway 9

    2.9 mi · 7 min · Highway 9

  17. 17

    Turn right onto Glen Arbor Road

    622 ft · 17 sec · Glen Arbor Road

  18. 18

    Arrive at your destination

    0 m · 1 sec · Glen Arbor Road

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
18 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
24.4 / 100 mi
Decision points by distance
Main Roads
Bayshore Freeway
30.2 mi · 41%
CA 17 South
16.4 mi · 22%
CA 85 South
13.3 mi · 18%
James Lick Freeway
4.33 mi · 6%
Mount Hermon Road
3.07 mi · 4%
Highway 9
2.91 mi · 4%
Longest Stretch

Bayshore Freeway

Keep slight left to continue on Bayshore Freeway

25 mi · 00h 29m

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
01h 39m
Day trip friendly
Same-Day Return
03h 20m
Round-trip wheel time
Road vs Air
+22.9 mi
50.8 mi direct line
Halfway Stop
Mountain View
00h 49m from San Francisco
Leave By
3:10 PM PDT
Morning start is best
Weather Watch

Chance Light Rain leaving San Francisco and Slight Chance Light Rain then Mostly Sunny near Ben Lomond.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Francisco to Ben Lomond?

The road trip is about 73.7 miles (118.6 km) and usually takes 01h 39m 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?

Mountain View is a useful midpoint, sitting about 36.8 miles from San Francisco and 36.8 miles from Ben Lomond.

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

The direct path is about 50.8 miles (81.7 km), while the road route adds roughly 22.9 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 3:10 PM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $15.00 one way or $30.00 round trip. Estimated CO2 is about 23.1 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain around San Francisco and Slight Chance Light Rain then Mostly Sunny near Ben Lomond.

Stop Ideas Near Mountain View

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

Mid-route Guidance
Local place coverage is thin around Mountain View, 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 Mountain View.

RAIL

Santa Clara – Great America station

12 mi away
5099 Stars & Stripes Dr.
BUS

Santa Clara station

13 mi away
1001 Railroad Ave.
RAIL

San Jose Diridon station

17 mi away
65 Cahill Street
RAIL

Fremont station

20 mi away
37260 Fremont Blvd.

Flight Path Map

This map shows the direct air route between San Francisco and Ben Lomond. Straight-line distance: 50.78 mi (81.73 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
Ben Lomond

#2 Ben Lomond

City in United States of America

Population6,234
Coordinates37.0891100, -122.0863500
Altitude101
CountryUnited States
Start: San Francisco (-122.41942, 37.77493)
End: Ben Lomond (-122.08635, 37.08911)

Estimated Travel Time

Distance: 119 km by road

SpeedTime
30 mph (48.3 km/h)02h 27m
40 mph (64.37 km/h)01h 50m
50 mph (80.47 km/h)01h 28m
60 mph (96.56 km/h)01h 13m
70 mph (112.65 km/h)01h 03m
80 mph (129 km/h)00h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.6 gal
9.85 L · about $15.00
Round trip
$30.00
5.2 gal · 19.7 L
Estimated CO2
23.1 kg one way
Round trip: 46.2 kg / 102 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $15.00 $30.00
Mid-grade $6.07 $15.77 $31.54
Premium $6.24 $16.23 $32.46
Diesel $7.57 $19.67 $39.35

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 Ben Lomond. The current time is 22:23:31.

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.