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

The driving distance from Clearlake, CA to San Diego, CA is about 609.9 miles (981.6 km), with a travel time of about 09h 31m by car.

  • The straight-line flight distance is about 528.5 miles (850.6 km).
  • For a round trip, plan for roughly 19h 02m 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
609.95 mi
09h 31m
Flight
528.54 mi
850.61 km direct

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

Learn Distance

Choose another destination from Clearlake.

Flight Distance

Direct air line
528.54 mi
Kilometers
850.61 km
Flight Time
01h 03m

Driving Distance

Road route
609.95 mi
Kilometers
981.62 km
Drive Time
09h 31m

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 09h 31m.

Arrival Snapshot
Arrive in San Diego
Fri, May 22, 5:37 AM PDT
Return by in Clearlake
Fri, May 22, 3:08 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Clearlake
2026-05-21T20:05
Arrive San Diego
Fri, May 22, 5:37 AM PDT
Route Timing
09h 31m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
3:31 PM to 5:01 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
4:58 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Clearlake
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 Clearlake
290.5 mi
04h 45m
To San Diego
319.5 mi
04h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Sunny

Starts
Thu, May 21 6:00 AM PDT
Wind
0 to 9 mph S
Destination
70°F
Thursday

Mostly Sunny

Starts
Thu, May 21 6:00 AM PDT
Wind
5 to 10 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Duncan Avenue

    850 ft · 37 sec · Duncan Avenue

  2. 2

    Continue on Lincoln Avenue

    651 ft · 30 sec · Lincoln Avenue

  3. 3

    Turn right onto Polk Avenue

    101 m · 18 sec · Polk Avenue

  4. 4

    Turn right

    3.6 mi · 5 min

  5. 5

    Continue straight

    10.4 mi · 16 min

  6. 6

    Enter the roundabout and take exit 1 toward the route

    15 m · 1 sec

  7. 7

    Exit the roundabout

    21.6 mi · 32 min

  8. 8

    Turn left onto Saint Helena Highway

    6.8 mi · 8 min · Saint Helena Highway

  9. 9

    Continue on Main Street

    2.4 mi · 3 min · Main Street

  10. 10

    Continue on Saint Helena Highway South

    21.7 mi · 26 min · Saint Helena Highway South

  11. 11

    Continue on Napa–Vallejo Highway

    1.3 mi · 1 min · Napa–Vallejo Highway

  12. 12

    Continue on Broadway Street

    4 mi · 5 min · Broadway Street

  13. 13

    Continue on Sonoma Boulevard

    1.8 mi · 2 min · Sonoma Boulevard

  14. 14

    Continue on Sonoma Boulevard

    1.1 mi · 2 min · Sonoma Boulevard

  15. 15

    Turn left onto Redwood Street

    1786 ft · 45 sec · Redwood Street

  16. 16

    Turn right onto Broadway Street

    1.1 mi · 2 min · Broadway Street

  17. 17

    Turn slight left onto Alameda Street

    1.1 km · 2 min · Alameda Street

  18. 18

    Turn left onto Curtola Parkway

    7.1 mi · 9 min · Curtola Parkway

  19. 19

    Keep slight left to continue on I 680 South: Martinez, San Jose

    1.1 km · 47 sec

  20. 20

    Continue on Benicia-Martinez Bridge

    8 mi · 9 min · Benicia-Martinez Bridge

  21. 21

    Keep slight right to continue on Senator Daniel E Boatwright Highway

    4.8 mi · 6 min · Senator Daniel E Boatwright Highway

  22. 22

    Continue on Donald D Doyle Highway

    1.4 mi · 2 min · Donald D Doyle Highway

  23. 23

    Keep slight right to continue on Donald D Doyle Highway

    13.4 mi · 16 min · Donald D Doyle Highway

  24. 24

    Take the exit slight right toward I 580 East: Livermore, Stockton

    1362 ft · 33 sec

  25. 25

    Keep slight left to continue on I 580 East: Livermore, Stockton

    1.1 km · 1 min

  26. 26

    Keep slight left to continue on I 580: Stockton

    1581 ft · 39 sec

  27. 27

    Merge slight left onto Arthur H. Breed Junior Freeway

    1.4 mi · 2 min · Arthur H. Breed Junior Freeway

  28. 28

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

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

  29. 29

    Keep slight right to continue on William Elton Brown Freeway

    11.1 mi · 12 min · William Elton Brown Freeway

  30. 30

    Keep slight left to continue on William Elton Brown Freeway

    5.9 mi · 6 min · William Elton Brown Freeway

  31. 31

    Merge slight left onto Westside Freeway

    224.4 mi · 4 hr · Westside Freeway

  32. 32

    Keep slight right

    58.4 mi · 1 hr 7 min

  33. 33

    Keep slight left to continue on Golden State Freeway

    4.1 mi · 5 min · Golden State Freeway

  34. 34

    Keep slight right to continue on I 405 South

    1354 ft · 18 sec

  35. 35

    Keep slight left

    24.7 mi · 29 min

  36. 36

    Keep slight left to continue on Golden State Freeway

    1.3 mi · 2 min · Golden State Freeway

  37. 37

    Merge slight left onto Santa Ana Freeway

    25.7 mi · 30 min · Santa Ana Freeway

  38. 38

    Keep slight right to continue on Santa Ana Freeway

    1241 ft · 16 sec · Santa Ana Freeway

  39. 39

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

    1.3 km · 57 sec

  40. 40

    Keep slight left

    788 ft · 10 sec

  41. 41

    Keep slight left to continue on I 5 South

    981 ft · 13 sec

  42. 42

    Merge slight left onto Santa Ana Freeway

    1.3 km · 54 sec · Santa Ana Freeway

  43. 43

    Keep slight right to continue on Santa Ana Freeway

    1.2 km · 52 sec · Santa Ana Freeway

  44. 44

    Keep slight right to continue on Santa Ana Freeway

    1.2 mi · 1 min · Santa Ana Freeway

  45. 45

    Take the exit slight right toward Newport Avenue

    1.2 km · 1 min

  46. 46

    Turn right onto Newport Avenue

    1943 ft · 44 sec · Newport Avenue

  47. 47

    Turn left onto Walnut Avenue

    2.2 mi · 4 min · Walnut Avenue

  48. 48

    Turn left onto Jamboree Road

    2595 ft · 38 sec · Jamboree Road

  49. 49

    Take the exit slight right toward I 5 South

    1479 ft · 21 sec

  50. 50

    Merge slight left onto Santa Ana Freeway

    5.5 mi · 6 min · Santa Ana Freeway

  51. 51

    Keep slight left to continue on Santa Ana Freeway

    1.3 km · 56 sec · Santa Ana Freeway

  52. 52

    Merge slight right onto San Diego Freeway

    76.5 mi · 1 hr 29 min · San Diego Freeway

  53. 53

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

    1164 ft · 28 sec

  54. 54

    Keep slight right to continue on Front Street, Civic Center

    592 ft · 15 sec

  55. 55

    Continue on Front Street

    2662 ft · 2 min · Front Street

  56. 56

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Clearlake 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
56 steps
12 turns on the saved route
Ramps & Exits
13
6 merges, 7 ramps or exits
Navigation Density
9.2 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
283 mi · 46%
San Diego Freeway
76.5 mi · 13%
Santa Ana Freeway
35 mi · 6%
Polk Avenue
32.1 mi · 5%
I 405 South
25 mi · 4%
Saint Helena Highway South
21.7 mi · 4%
Longest Stretch

Westside Freeway

Merge slight left onto Westside Freeway

224 mi · 04h 00m

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
09h 31m
Overnight route
Same-Day Return
19h 02m
Round-trip wheel time
Road vs Air
+81.4 mi
528.5 mi direct line
Halfway Stop
Kettleman City
04h 45m from Clearlake
Leave By
4:58 PM PDT
Overnight-style route
Weather Watch

Sunny leaving Clearlake 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 Clearlake to San Diego?

The road trip is about 609.9 miles (981.6 km) and usually takes 09h 31m 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 290.5 miles from Clearlake and 319.5 miles from San Diego.

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

The direct path is about 528.5 miles (850.6 km), while the road route adds roughly 81.4 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 $124.15 one way or $248.30 round trip. Estimated CO2 is about 191.2 kg one way.

What should you check before leaving?

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

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 Clearlake and San Diego. Straight-line distance: 528.54 mi (850.61 km).

Clearlake

#1 Clearlake

City in California

Population15,179
Coordinates38.9582300, -122.6263700
Altitude432
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: Duncan Avenue (-122.626371, 38.958178)
End: Front Street (-117.164717, 32.71571)

Estimated Travel Time

Distance: 982 km by road

SpeedTime
30 mph (48.3 km/h)20h 19m
40 mph (64.37 km/h)15h 14m
50 mph (80.47 km/h)12h 11m
60 mph (96.56 km/h)10h 09m
70 mph (112.65 km/h)08h 42m
80 mph (129 km/h)07h 36m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
21.52 gal
81.47 L · about $124.15
Round trip
$248.30
43.04 gal · 162.94 L
Estimated CO2
191.2 kg one way
Round trip: 382.5 kg / 843 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $124.15 $248.30
Mid-grade $6.07 $130.54 $261.08
Premium $6.24 $134.35 $268.70
Diesel $7.57 $162.84 $325.68

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 Clearlake and San Diego. The current time is 20:05:58.

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.