How far is Santa Ana, CA from South San Francisco, CA?

The driving distance from Santa Ana, CA to South San Francisco, CA is about 409.2 miles (658.5 km), with a travel time of about 07h 43m by car.

  • The straight-line flight distance is about 371.1 miles (597.3 km).
  • For a round trip, plan for roughly 15h 26m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
409.15 mi
07h 43m
Flight
371.16 mi
597.33 km direct

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

Learn Distance

Choose another destination from Santa Ana.

Flight Distance

Direct air line
371.16 mi
Kilometers
597.33 km
Flight Time
00h 44m

Driving Distance

Road route
409.15 mi
Kilometers
658.46 km
Drive Time
07h 43m

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 07h 43m.

Arrival Snapshot
Arrive in South San Francisco
Sat, Apr 18, 5:43 PM PDT
Return by in Santa Ana
Sun, Apr 19, 1:27 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Santa Ana
2026-04-18T10:00
Arrive South San Francisco
Sat, Apr 18, 5:43 PM PDT
Route Timing
07h 43m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:43 PM to 3:13 PM PDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
8:34 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Santa Ana
8:00 PM PDT
Overnight-style route

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
Kettleman City
CA

Census-designated place in Kings County, California

From Santa Ana
204.6 mi
03h 51m
To South San Francisco
204.6 mi
03h 51m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM PDT
Wind
0 to 10 mph SW
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 Santa Ana and South San Francisco.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West 1st Street

    576 ft · 16 sec · West 1st Street

  2. 2

    Turn right onto North Broadway

    1.5 mi · 3 min · North Broadway

  3. 3

    Turn right onto West Santa Clara Avenue

    615 ft · 14 sec · West Santa Clara Avenue

  4. 4

    Continue on I 5 North: Los Angeles

    1787 ft · 27 sec

  5. 5

    Merge slight left onto Santa Ana Freeway

    8.9 mi · 10 min · Santa Ana Freeway

  6. 6

    Keep slight right to continue on Santa Ana Freeway

    18 mi · 21 min · Santa Ana Freeway

  7. 7

    Keep slight right to continue on Golden State Freeway

    25.5 mi · 30 min · Golden State Freeway

  8. 8

    Keep slight left to continue on Golden State Freeway

    2.2 mi · 3 min · Golden State Freeway

  9. 9

    Keep slight right to continue on I 5 Truck North, CA 14 Truck

    1.5 mi · 2 min

  10. 10

    Keep slight left

    36.1 mi · 42 min

  11. 11

    Keep slight left to continue on Golden State Freeway

    22.3 mi · 25 min · Golden State Freeway

  12. 12

    Keep slight right to continue on Westside Freeway

    182.5 mi · 3 hr 16 min · Westside Freeway

  13. 13

    Take the exit slight right toward CA 152 West: Gilroy, Hollister, San Jose

    1038 ft · 27 sec

  14. 14

    Continue straight

    28.7 mi · 33 min

  15. 15

    Keep slight right

    11.9 mi · 17 min

  16. 16

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

    2466 ft · 1 min

  17. 17

    Merge slight left onto South Valley Freeway

    19.9 mi · 23 min · South Valley Freeway

  18. 18

    Keep slight left

    21.9 mi · 25 min

  19. 19

    Keep slight left

    26 mi · 30 min

  20. 20

    Take the exit slight right toward South Airport Boulevard

    1218 ft · 32 sec

  21. 21

    Turn left onto South Airport Boulevard

    1061 ft · 28 sec · South Airport Boulevard

  22. 22

    Turn left onto South Airport Boulevard

    868 ft · 24 sec · South Airport Boulevard

  23. 23

    Continue on Airport Boulevard

    1910 ft · 44 sec · Airport Boulevard

  24. 24

    Arrive at your destination

    0 m · 1 sec · Airport Boulevard

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
24 steps
4 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
5.9 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
183 mi · 45%
South Valley Freeway
67.8 mi · 17%
Golden State Freeway
50 mi · 12%
CA 152 West
40.9 mi · 10%
I 5 Truck North
37.7 mi · 9%
Santa Ana Freeway
26.9 mi · 7%
Longest Stretch

Westside Freeway

Keep slight right to continue on Westside Freeway

183 mi · 03h 16m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 43m
Overnight route
Same-Day Return
15h 26m
Round-trip wheel time
Road vs Air
+38.1 mi
371.1 mi direct line
Halfway Stop
Kettleman City
03h 51m from Santa Ana
Leave By
8:34 PM PDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Santa Ana 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 Santa Ana to South San Francisco?

The road trip is about 409.2 miles (658.5 km) and usually takes 07h 43m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Kettleman City is a useful midpoint, sitting about 204.6 miles from Santa Ana and 204.6 miles from South San Francisco.

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

The direct path is about 371.1 miles (597.3 km), while the road route adds roughly 38.1 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 6:00 AM to 7:30 AM PDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $83.30 one way or $166.61 round trip. Estimated CO2 is about 128.3 kg one way.

What should you check before leaving?

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

Stop Ideas Near Kettleman City

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

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

BUS

Kettleman City, California

3 mi away
3300 Hubert Way
BUS

Lemoore, California

34 mi away
300 E Street
RAIL

Corcoran station

38 mi away
1099 Otis Ave.
BUS

Lemoore (Naval Air Station), California

41 mi away
25th Ave and Highway 198

Flight Path Map

This map shows the direct air route between Santa Ana and South San Francisco. Straight-line distance: 371.16 mi (597.33 km).

Santa Ana

#1 Santa Ana

The most populous city in Orange County, California and the center of the Santa Ana metropolitan area.

Population331,301
Coordinates33.7455700, -117.8678300
Altitude35
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: Santa Ana (-117.86783, 33.74557)
End: South San Francisco (-122.40775, 37.65466)

Estimated Travel Time

Distance: 658 km by road

SpeedTime
30 mph (48.3 km/h)13h 37m
40 mph (64.37 km/h)10h 13m
50 mph (80.47 km/h)08h 10m
60 mph (96.56 km/h)06h 49m
70 mph (112.65 km/h)05h 50m
80 mph (129 km/h)05h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.44 gal
54.65 L · about $83.30
Round trip
$166.61
28.88 gal · 109.3 L
Estimated CO2
128.3 kg one way
Round trip: 256.7 kg / 566 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $83.30 $166.61
Mid-grade $6.07 $87.59 $175.19
Premium $6.24 $90.15 $180.30
Diesel $7.57 $109.27 $218.53

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 Santa Ana and South San Francisco. The current time is 10:00:12.

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.