How far is Sunnyvale, CA from San Diego, CA?

The driving distance from Sunnyvale, CA to San Diego, CA is about 478 miles (769.3 km), with a travel time of about 07h 30m by car.

  • The straight-line flight distance is about 423.3 miles (681.2 km).
  • For a round trip, plan for roughly 15h 00m 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
477.99 mi
07h 30m
Flight
423.31 mi
681.25 km direct

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

Learn Distance

Choose another destination from Sunnyvale.

Flight Distance

Direct air line
423.31 mi
Kilometers
681.25 km
Flight Time
00h 51m

Driving Distance

Road route
477.99 mi
Kilometers
769.25 km
Drive Time
07h 30m

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 30m.

Arrival Snapshot
Arrive in San Diego
Fri, May 22, 7:32 PM PDT
Return by in Sunnyvale
Sat, May 23, 3:02 AM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sunnyvale
2026-05-22T12:02
Arrive San Diego
Fri, May 22, 7:32 PM PDT
Route Timing
07h 30m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:30 PM to 3:00 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
9:00 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Sunnyvale
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
Buttonwillow
CA

Place in Kern County California

From Sunnyvale
235.6 mi
03h 45m
To San Diego
242.3 mi
03h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Friday

Sunny

Starts
Fri, May 22 6:00 AM PDT
Wind
5 to 12 mph SW
Destination
71°F
Friday

Mostly Sunny

Starts
Fri, May 22 6:00 AM PDT
Wind
0 to 10 mph W

Driving Route Map

The map below follows the saved road route between Sunnyvale and San Diego.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sunnyvale and San Diego.

  1. 1

    Start on West El Camino Real

    726 ft · 18 sec · West El Camino Real

  2. 2

    Turn slight left

    86 m · 20 sec

  3. 3

    Turn sharp left onto West El Camino Real

    1174 ft · 33 sec · West El Camino Real

  4. 4

    Turn right onto South Mathilda Avenue

    1.9 mi · 4 min · South Mathilda Avenue

  5. 5

    Take the ramp slight right toward US 101 South: San Jose

    1789 ft · 46 sec

  6. 6

    Merge slight left onto Bayshore Freeway

    39.5 mi · 46 min · Bayshore Freeway

  7. 7

    Take the exit slight right toward CA 152 East: 10th Street, Pacheco Pass Road

    1539 ft · 40 sec

  8. 8

    Turn left onto East 10th Street

    108 m · 13 sec · East 10th Street

  9. 9

    Continue on Pacheco Pass Highway

    40.6 mi · 50 min · Pacheco Pass Highway

  10. 10

    Take the exit slight right toward I 5: Los Angeles

    3148 ft · 1 min

  11. 11

    Merge slight left onto Westside Freeway

    181.1 mi · 3 hr 14 min · Westside Freeway

  12. 12

    Keep slight right

    58.4 mi · 1 hr 7 min

  13. 13

    Keep slight left to continue on Golden State Freeway

    4.1 mi · 5 min · Golden State Freeway

  14. 14

    Keep slight right to continue on I 405 South

    1354 ft · 18 sec

  15. 15

    Keep slight left

    24.7 mi · 29 min

  16. 16

    Keep slight left to continue on Golden State Freeway

    1.3 mi · 2 min · Golden State Freeway

  17. 17

    Merge slight left onto Santa Ana Freeway

    25.7 mi · 30 min · Santa Ana Freeway

  18. 18

    Keep slight right to continue on Santa Ana Freeway

    1241 ft · 16 sec · Santa Ana Freeway

  19. 19

    Take the exit slight right toward Broadway, Main Street, Santa Ana

    1.3 km · 57 sec

  20. 20

    Keep slight left

    788 ft · 10 sec

  21. 21

    Keep slight left to continue on I 5 South

    981 ft · 13 sec

  22. 22

    Merge slight left onto Santa Ana Freeway

    1.3 km · 54 sec · Santa Ana Freeway

  23. 23

    Keep slight right to continue on Santa Ana Freeway

    1.2 km · 52 sec · Santa Ana Freeway

  24. 24

    Keep slight right to continue on Santa Ana Freeway

    1.2 mi · 1 min · Santa Ana Freeway

  25. 25

    Take the exit slight right toward Newport Avenue

    1.2 km · 1 min

  26. 26

    Turn right onto Newport Avenue

    1943 ft · 44 sec · Newport Avenue

  27. 27

    Turn left onto Walnut Avenue

    2.2 mi · 4 min · Walnut Avenue

  28. 28

    Turn left onto Jamboree Road

    2595 ft · 38 sec · Jamboree Road

  29. 29

    Take the exit slight right toward I 5 South

    1479 ft · 21 sec

  30. 30

    Merge slight left onto Santa Ana Freeway

    5.5 mi · 6 min · Santa Ana Freeway

  31. 31

    Keep slight left to continue on Santa Ana Freeway

    1.3 km · 56 sec · Santa Ana Freeway

  32. 32

    Merge slight right onto San Diego Freeway

    76.5 mi · 1 hr 29 min · San Diego Freeway

  33. 33

    Take the exit slight right toward Front Street, Civic Center, 2nd Avenue

    1164 ft · 28 sec

  34. 34

    Keep slight right to continue on Front Street, Civic Center

    592 ft · 15 sec

  35. 35

    Continue on Front Street

    2662 ft · 2 min · Front Street

  36. 36

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Sunnyvale and San Diego.

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
36 steps
7 turns on the saved route
Ramps & Exits
13
6 merges, 7 ramps or exits
Navigation Density
7.5 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
239 mi · 50%
San Diego Freeway
76.5 mi · 16%
Pacheco Pass Highway
40.6 mi · 8%
Bayshore Freeway
39.5 mi · 8%
Santa Ana Freeway
35 mi · 7%
I 405 South
25 mi · 5%
Longest Stretch

Westside Freeway

Merge slight left onto Westside Freeway

181 mi · 03h 14m

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 30m
Overnight route
Same-Day Return
15h 00m
Round-trip wheel time
Road vs Air
+54.7 mi
423.3 mi direct line
Halfway Stop
Buttonwillow
03h 45m from Sunnyvale
Leave By
9:00 PM PDT
Overnight-style route
Weather Watch

Sunny leaving Sunnyvale and Mostly Sunny near San Diego.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sunnyvale to San Diego?

The road trip is about 478 miles (769.3 km) and usually takes 07h 30m 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?

Buttonwillow is a useful midpoint, sitting about 235.6 miles from Sunnyvale and 242.3 miles from San Diego.

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

The direct path is about 423.3 miles (681.2 km), while the road route adds roughly 54.7 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 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 $97.32 one way or $194.65 round trip. Estimated CO2 is about 149.9 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Sunnyvale and Mostly Sunny near San Diego.

Stop Ideas Near Buttonwillow

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

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

RAIL

Wasco station

25 mi away
700 G Street
RAIL

Bakersfield

41 mi away
601 Truxtun Ave
RAIL

Corcoran station

78 mi away
1099 Otis Ave.
BUS

Kettleman City, California

79 mi away
3300 Hubert Way

Flight Path Map

This map shows the direct air route between Sunnyvale and San Diego. Straight-line distance: 423.31 mi (681.25 km).

Sunnyvale

#1 Sunnyvale

The sixth most populous city in Santa Clara County, California.

Population151,746
Coordinates37.3688300, -122.0363500
Altitude39
CountryUnited States
San Diego

#2 San Diego

The eighth most populous city in the United States and the center of the San Diego metropolitan area.

Population1,422,420
Coordinates32.7157100, -117.1647200
Altitude20
CountryUnited States
Start: West El Camino Real (-122.036334, 37.368882)
End: Front Street (-117.164717, 32.71571)

Estimated Travel Time

Distance: 769 km by road

SpeedTime
30 mph (48.3 km/h)15h 55m
40 mph (64.37 km/h)11h 57m
50 mph (80.47 km/h)09h 33m
60 mph (96.56 km/h)07h 57m
70 mph (112.65 km/h)06h 49m
80 mph (129 km/h)05h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
16.87 gal
63.85 L · about $97.32
Round trip
$194.65
33.74 gal · 127.7 L
Estimated CO2
149.9 kg one way
Round trip: 299.8 kg / 661 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $97.32 $194.65
Mid-grade $6.07 $102.33 $204.67
Premium $6.24 $105.32 $210.64
Diesel $7.57 $127.66 $255.31

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 · May 22, 2026

There is no time difference between Sunnyvale and San Diego. The current time is 12:02:27.

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.