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

The driving distance from Lathrop, CA to San Diego, CA is about 455.3 miles (732.7 km), with a travel time of about 07h 21m by car.

  • The straight-line flight distance is about 422.2 miles (679.4 km).
  • For a round trip, plan for roughly 14h 42m 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
455.25 mi
07h 21m
Flight
422.16 mi
679.4 km direct

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

Learn Distance

Choose another destination from Lathrop.

Flight Distance

Direct air line
422.16 mi
Kilometers
679.4 km
Flight Time
00h 50m

Driving Distance

Road route
455.25 mi
Kilometers
732.65 km
Drive Time
07h 21m

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 21m.

Arrival Snapshot
Arrive in San Diego
Tue, May 5, 7:16 AM PDT
Return by in Lathrop
Tue, May 5, 2:37 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lathrop
2026-05-04T23:54
Arrive San Diego
Tue, May 5, 7:16 AM PDT
Route Timing
07h 21m
One way by road
Best Departure Window
6:00 AM to 7:30 AM PDT
Treat this as a longer travel day
Arrive between
1:21 PM to 2:51 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
9:18 PM PDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Lathrop
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
Greenfield
CA

City in Monterey County, California, United States

From Lathrop
224.7 mi
03h 40m
To San Diego
230.5 mi
03h 40m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
69°F
Monday

Mostly Cloudy then Slight Chance Light Rain

Starts
Mon, May 4 6:00 AM PDT
Wind
3 to 7 mph W
Destination
67°F
Monday

Slight Chance Rain Showers

Starts
Mon, May 4 6:00 AM PDT
Wind
5 to 10 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on East J Street

    141 m · 23 sec · East J Street

  2. 2

    Turn right onto 5th Street

    1324 ft · 1 min · 5th Street

  3. 3

    Turn left onto Lathrop Road

    1.1 km · 2 min · Lathrop Road

  4. 4

    Turn left

    1875 ft · 46 sec

  5. 5

    Merge slight left onto Westside Freeway

    4.3 mi · 5 min · Westside Freeway

  6. 6

    Keep slight left to continue on Westside Freeway

    1.2 km · 49 sec · Westside Freeway

  7. 7

    Keep slight left to continue on Westside Freeway

    236.6 mi · 4 hr 14 min · Westside Freeway

  8. 8

    Keep slight right

    58.4 mi · 1 hr 7 min

  9. 9

    Keep slight left to continue on Golden State Freeway

    4.1 mi · 5 min · Golden State Freeway

  10. 10

    Keep slight right to continue on I 405 South

    1354 ft · 18 sec

  11. 11

    Keep slight left

    24.7 mi · 29 min

  12. 12

    Keep slight left to continue on Golden State Freeway

    1.3 mi · 2 min · Golden State Freeway

  13. 13

    Merge slight left onto Santa Ana Freeway

    25.7 mi · 30 min · Santa Ana Freeway

  14. 14

    Keep slight right to continue on Santa Ana Freeway

    1241 ft · 16 sec · Santa Ana Freeway

  15. 15

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

    1.3 km · 57 sec

  16. 16

    Keep slight left

    788 ft · 10 sec

  17. 17

    Keep slight left to continue on I 5 South

    981 ft · 13 sec

  18. 18

    Merge slight left onto Santa Ana Freeway

    1.3 km · 54 sec · Santa Ana Freeway

  19. 19

    Keep slight right to continue on Santa Ana Freeway

    1.2 km · 52 sec · Santa Ana Freeway

  20. 20

    Keep slight right to continue on Santa Ana Freeway

    1.2 mi · 1 min · Santa Ana Freeway

  21. 21

    Take the exit slight right toward Newport Avenue

    1.2 km · 1 min

  22. 22

    Turn right onto Newport Avenue

    1943 ft · 44 sec · Newport Avenue

  23. 23

    Turn left onto Walnut Avenue

    2.2 mi · 4 min · Walnut Avenue

  24. 24

    Turn left onto Jamboree Road

    2595 ft · 38 sec · Jamboree Road

  25. 25

    Take the exit slight right toward I 5 South

    1479 ft · 21 sec

  26. 26

    Merge slight left onto Santa Ana Freeway

    5.5 mi · 6 min · Santa Ana Freeway

  27. 27

    Keep slight left to continue on Santa Ana Freeway

    1.3 km · 56 sec · Santa Ana Freeway

  28. 28

    Merge slight right onto San Diego Freeway

    76.5 mi · 1 hr 29 min · San Diego Freeway

  29. 29

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

    1164 ft · 28 sec

  30. 30

    Keep slight right to continue on Front Street, Civic Center

    592 ft · 15 sec

  31. 31

    Continue on Front Street

    2662 ft · 2 min · Front Street

  32. 32

    Arrive at your destination

    0 m · 1 sec · Front Street

Car Route Details

A richer read on the saved driving route between Lathrop 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
32 steps
6 turns on the saved route
Ramps & Exits
9
5 merges, 4 ramps or exits
Navigation Density
7 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
300 mi · 66%
San Diego Freeway
76.5 mi · 17%
Santa Ana Freeway
35 mi · 8%
I 405 South
25 mi · 5%
Golden State Freeway
5.33 mi · 1%
Walnut Avenue
2.2 mi
Longest Stretch

Westside Freeway

Keep slight left to continue on Westside Freeway

237 mi · 04h 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 21m
Overnight route
Same-Day Return
14h 42m
Round-trip wheel time
Road vs Air
+33.1 mi
422.2 mi direct line
Halfway Stop
Greenfield
03h 40m from Lathrop
Leave By
9:18 PM PDT
Overnight-style route
Weather Watch

Mostly Cloudy then Slight Chance Light Rain leaving Lathrop and Slight Chance Rain Showers near San Diego.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 455.3 miles (732.7 km) and usually takes 07h 21m 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?

Greenfield is a useful midpoint, sitting about 224.7 miles from Lathrop and 230.5 miles from San Diego.

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

The direct path is about 422.2 miles (679.4 km), while the road route adds roughly 33.1 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 $92.65 one way or $185.30 round trip. Estimated CO2 is about 142.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Slight Chance Light Rain around Lathrop and Slight Chance Rain Showers near San Diego.

Stop Ideas Near Greenfield

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

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

RAIL

Bakersfield

12 mi away
601 Truxtun Ave
RAIL

Wasco station

47 mi away
700 G Street
BUS

Tehachapi, California

52 mi away
Westside of Mullbery Street
BUS

Mojave, California

79 mi away
15900 Sierra Highway

Flight Path Map

This map shows the direct air route between Lathrop and San Diego. Straight-line distance: 422.16 mi (679.4 km).

Lathrop

#1 Lathrop

City in California

Population26,373
Coordinates37.8227000, -121.2766100
Altitude7
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: East J Street (-121.27661, 37.822737)
End: Front Street (-117.164717, 32.71571)

Estimated Travel Time

Distance: 733 km by road

SpeedTime
30 mph (48.3 km/h)15h 10m
40 mph (64.37 km/h)11h 22m
50 mph (80.47 km/h)09h 06m
60 mph (96.56 km/h)07h 35m
70 mph (112.65 km/h)06h 30m
80 mph (129 km/h)05h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
16.06 gal
60.81 L · about $92.65
Round trip
$185.30
32.12 gal · 121.62 L
Estimated CO2
142.7 kg one way
Round trip: 285.5 kg / 629 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $92.65 $185.30
Mid-grade $6.07 $97.42 $194.84
Premium $6.24 $100.26 $200.53
Diesel $7.57 $121.53 $243.05

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 05, 2026

There is no time difference between Lathrop and San Diego. The current time is 23:54:39.

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.