How far is Fresno, CA from South San Francisco, CA?

The driving distance from Fresno, CA to South San Francisco, CA is about 187.7 miles (302 km), with a travel time of about 03h 44m by car.

  • The straight-line flight distance is about 158 miles (254.3 km).
  • For a round trip, plan for roughly 07h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM PDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
187.63 mi
03h 44m
Flight
157.98 mi
254.25 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Fresno.

Flight Distance

Direct air line
157.98 mi
Kilometers
254.25 km
Flight Time
00h 19m

Driving Distance

Road route
187.63 mi
Kilometers
301.96 km
Drive Time
03h 44m

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 03h 44m.

Arrival Snapshot
Arrive in South San Francisco
Sat, Apr 18, 1:44 PM PDT
Return by in Fresno
Sat, Apr 18, 5:28 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fresno
2026-04-18T10:00
Arrive South San Francisco
Sat, Apr 18, 1:44 PM PDT
Route Timing
03h 44m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
9:44 AM to 11:44 AM PDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:32 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Fresno
9:00 PM PDT
Early departure recommended

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
Shackelford
CA

City in Modesto, California, United States of America

From Fresno
93.8 mi
01h 52m
To South San Francisco
93.9 mi
01h 52m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
0 to 5 mph WSW
Destination
71°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
1 to 7 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Fresno and South San Francisco.

  1. 1

    Start on East Washington Avenue

    9 m · 3 sec · East Washington Avenue

  2. 2

    Turn right onto North First Street

    968 ft · 23 sec · North First Street

  3. 3

    Turn left onto East Belmont Avenue

    2.9 mi · 6 min · East Belmont Avenue

  4. 4

    Take the ramp right toward CA 99 North

    965 ft · 23 sec

  5. 5

    Merge slight left

    9.4 mi · 11 min

  6. 6

    Take the exit slight right toward Avenue 7

    2522 ft · 31 sec

  7. 7

    Merge slight left

    21.4 mi · 24 min

  8. 8

    Keep slight right to continue on Northbound California State Route 99

    74.7 mi · 1 hr 27 min · Northbound California State Route 99

  9. 9

    Take the exit slight right toward CA 120 West: Manteca, San Francisco

    1.5 km · 2 min

  10. 10

    Merge slight right

    6.8 mi · 8 min

  11. 11

    Merge slight left onto Westside Freeway

    1.2 mi · 1 min · Westside Freeway

  12. 12

    Keep slight right to continue on Robert T. Monagan Freeway

    13.9 mi · 16 min · Robert T. Monagan Freeway

  13. 13

    Continue on Arthur H. Breed Junior Freeway

    18 mi · 21 min · Arthur H. Breed Junior Freeway

  14. 14

    Keep slight right to continue on Arthur H. Breed Junior Freeway

    10.4 mi · 12 min · Arthur H. Breed Junior Freeway

  15. 15

    Take the exit slight right toward Redwood Road

    1149 ft · 30 sec

  16. 16

    Turn left onto Redwood Road

    3104 ft · 1 min · Redwood Road

  17. 17

    Continue on A Street

    1.5 km · 2 min · A Street

  18. 18

    Turn left onto Mission Boulevard

    1735 ft · 44 sec · Mission Boulevard

  19. 19

    Turn slight right onto Jackson Street

    5.5 mi · 8 min · Jackson Street

  20. 20

    Keep slight left

    528 ft · 7 sec

  21. 21

    Keep slight right

    9.1 mi · 11 min

  22. 22

    Take the exit slight right toward US 101 North: San Francisco

    2562 ft · 41 sec

  23. 23

    Merge slight left onto Bayshore Freeway

    9.1 mi · 10 min · Bayshore Freeway

  24. 24

    Take the exit slight right toward South Airport Boulevard

    1218 ft · 32 sec

  25. 25

    Turn left onto South Airport Boulevard

    1061 ft · 28 sec · South Airport Boulevard

  26. 26

    Turn left onto South Airport Boulevard

    868 ft · 24 sec · South Airport Boulevard

  27. 27

    Continue on Airport Boulevard

    1910 ft · 44 sec · Airport Boulevard

  28. 28

    Arrive at your destination

    0 m · 1 sec · Airport Boulevard

Car Route Details

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

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
28 steps
7 turns on the saved route
Ramps & Exits
11
5 merges, 6 ramps or exits
Navigation Density
14.9 / 100 mi
Decision points by distance
Main Roads
Northbound California State Route 99
74.7 mi · 40%
Arthur H. Breed Junior Freeway
28.4 mi · 15%
Avenue 7
21.9 mi · 12%
Jackson Street
14.7 mi · 8%
Robert T. Monagan Freeway
13.9 mi · 7%
CA 99 North
9.59 mi · 5%
Longest Stretch

Northbound California State Route 99

Keep slight right to continue on Northbound California State Route 99

74.7 mi · 01h 27m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 44m
Long day trip
Same-Day Return
07h 28m
Round-trip wheel time
Road vs Air
+29.7 mi
158 mi direct line
Halfway Stop
Shackelford
01h 52m from Fresno
Leave By
9:32 AM PDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Fresno and Mostly Sunny near South San Francisco.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fresno to South San Francisco?

The road trip is about 187.7 miles (302 km) and usually takes 03h 44m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Shackelford is a useful midpoint, sitting about 93.8 miles from Fresno and 93.9 miles from South San Francisco.

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

The direct path is about 158 miles (254.3 km), while the road route adds roughly 29.7 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 9:32 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.19 one way or $76.38 round trip. Estimated CO2 is about 58.8 kg one way.

What should you check before leaving?

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

Stop Ideas Near Shackelford

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

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

RAIL

Modesto station

9 mi away
1700 Held Drive
RAIL

Denair station

19 mi away
3800 Santa Fe Avenue
RAIL

Manteca, CA

31 mi away
17800 Shideler Parkway
RAIL

Tracy, CA

40 mi away
4800 Tracy Boulevard

Flight Path Map

This map shows the direct air route between Fresno and South San Francisco. Straight-line distance: 157.98 mi (254.25 km).

Fresno

#1 Fresno

The fifth most populous city in California and the center of the Fresno metropolitan area.

Population530,267
Coordinates36.7477300, -119.7723700
Altitude94
CountryUnited States
South San Francisco

#2 South San Francisco

The most populous city in San Mateo County, California.

Population66,558
Coordinates37.6546600, -122.4077500
Altitude4
CountryUnited States
Start: Fresno (-119.77237, 36.74773)
End: South San Francisco (-122.40775, 37.65466)

Estimated Travel Time

Distance: 302 km by road

SpeedTime
30 mph (48.3 km/h)06h 15m
40 mph (64.37 km/h)04h 41m
50 mph (80.47 km/h)03h 45m
60 mph (96.56 km/h)03h 07m
70 mph (112.65 km/h)02h 40m
80 mph (129 km/h)02h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.62 gal
25.06 L · about $38.19
Round trip
$76.38
13.24 gal · 50.12 L
Estimated CO2
58.8 kg one way
Round trip: 117.7 kg / 259 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $38.19 $76.38
Mid-grade $6.07 $40.16 $80.31
Premium $6.24 $41.33 $82.66
Diesel $7.57 $50.09 $100.19

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 Fresno and South San Francisco. The current time is 10:00:03.

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.