How far is Diamond Bar, CA from Stockton, CA?

The driving distance from Diamond Bar, CA to Stockton, CA is about 364.1 miles (586 km), with a travel time of about 05h 49m by car.

  • The straight-line flight distance is about 333.9 miles (537.4 km).
  • For a round trip, plan for roughly 11h 38m 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
364.14 mi
05h 49m
Flight
333.93 mi
537.41 km direct

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

Learn Distance

Choose another destination from Diamond Bar.

Flight Distance

Direct air line
333.93 mi
Kilometers
537.41 km
Flight Time
00h 40m

Driving Distance

Road route
364.14 mi
Kilometers
586.03 km
Drive Time
05h 49m

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 05h 49m.

Arrival Snapshot
Arrive in Stockton
Sun, Apr 19, 9:07 AM PDT
Return by in Diamond Bar
Sun, Apr 19, 2:56 PM PDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Diamond Bar
2026-04-19T03:18
Arrive Stockton
Sun, Apr 19, 9:07 AM PDT
Route Timing
05h 49m
One way by road
Best Departure Window
6:00 AM to 8:00 AM PDT
Leave early for more breathing room
Arrive between
11:49 AM to 1:49 PM PDT

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

Leave by
5:22 AM PDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Diamond Bar
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
Lost Hills
CA

Census-designated place in Kern County, California

From Diamond Bar
181.9 mi
02h 54m
To Stockton
182.2 mi
02h 54m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM PDT
Wind
0 to 10 mph S
Destination
75°F
Sunday

Chance Light Rain

Starts
Sun, Apr 19 6:00 AM PDT
Wind
3 to 9 mph WNW

Driving Route Map

The map below follows the saved road route between Diamond Bar and Stockton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Diamond Bar and Stockton.

  1. 1

    Start on the route

    10 m · 5 sec

  2. 2

    Turn left

    26 m · 9 sec

  3. 3

    Turn right onto North Diamond Bar Boulevard

    600 ft · 20 sec · North Diamond Bar Boulevard

  4. 4

    Take the ramp left toward CA 57 North

    1251 ft · 31 sec

  5. 5

    Continue on Orange Freeway

    6.1 mi · 7 min · Orange Freeway

  6. 6

    Keep slight left to continue on I 210 West: Pasadena

    1.1 mi · 2 min

  7. 7

    Merge slight left onto Foothill Freeway

    18.3 mi · 21 min · Foothill Freeway

  8. 8

    Keep slight right to continue on Foothill Freeway

    25.6 mi · 30 min · Foothill Freeway

  9. 9

    Keep slight right

    686 ft · 9 sec

  10. 10

    Merge slight right

    1.6 km · 1 min

  11. 11

    Keep slight left

    36.1 mi · 42 min

  12. 12

    Keep slight left to continue on Golden State Freeway

    22.3 mi · 25 min · Golden State Freeway

  13. 13

    Keep slight right to continue on Westside Freeway

    225.6 mi · 4 hr 2 min · Westside Freeway

  14. 14

    Keep slight right to continue on Westside Freeway

    24.9 mi · 27 min · Westside Freeway

  15. 15

    Take the exit slight right toward CA 4 West

    1135 ft · 15 sec

  16. 16

    Keep slight right

    124 m · 5 sec

  17. 17

    Turn straight onto West Charter Way

    2959 ft · 1 min · West Charter Way

  18. 18

    Turn left onto South El Dorado Street

    1 mi · 2 min · South El Dorado Street

  19. 19

    Continue on North El Dorado Street

    1468 ft · 38 sec · North El Dorado Street

  20. 20

    Turn right onto East Fremont Street

    36 m · 5 sec · East Fremont Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · East Fremont Street

Car Route Details

A richer read on the saved driving route between Diamond Bar and Stockton.

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
21 steps
5 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
5.8 / 100 mi
Decision points by distance
Main Roads
Westside Freeway
251 mi · 69%
Foothill Freeway
81.2 mi · 22%
Golden State Freeway
22.3 mi · 6%
Orange Freeway
6.1 mi · 2%
I 210 West
1.14 mi
South El Dorado Street
1.04 mi
Longest Stretch

Westside Freeway

Keep slight right to continue on Westside Freeway

226 mi · 04h 02m

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
05h 49m
Long day trip
Same-Day Return
11h 38m
Round-trip wheel time
Road vs Air
+30.2 mi
333.9 mi direct line
Halfway Stop
Lost Hills
02h 54m from Diamond Bar
Leave By
5:22 AM PDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Diamond Bar and Chance Light Rain near Stockton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Diamond Bar to Stockton?

The road trip is about 364.1 miles (586 km) and usually takes 05h 49m 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?

Lost Hills is a useful midpoint, sitting about 181.9 miles from Diamond Bar and 182.2 miles from Stockton.

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

The direct path is about 333.9 miles (537.4 km), while the road route adds roughly 30.2 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 5:22 AM PDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $74.13 one way or $148.26 round trip. Estimated CO2 is about 114.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Diamond Bar and Chance Light Rain near Stockton.

Stop Ideas Near Lost Hills

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

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

RAIL

Wasco station

33 mi away
700 G Street
BUS

Kettleman City, California

47 mi away
3300 Hubert Way
RAIL

Corcoran station

55 mi away
1099 Otis Ave.
RAIL

Bakersfield

67 mi away
601 Truxtun Ave

Flight Path Map

This map shows the direct air route between Diamond Bar and Stockton. Straight-line distance: 333.93 mi (537.41 km).

Diamond Bar

#1 Diamond Bar

A city in Los Angeles County, California.

Population54,880
Coordinates34.0286200, -117.8103400
Altitude212
CountryUnited States
Stockton

#2 Stockton

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

Population312,716
Coordinates37.9577000, -121.2907800
Altitude4
CountryUnited States
Start: (-117.810289, 34.028612)
End: East Fremont Street (-121.290763, 37.957639)

Estimated Travel Time

Distance: 586 km by road

SpeedTime
30 mph (48.3 km/h)12h 07m
40 mph (64.37 km/h)09h 06m
50 mph (80.47 km/h)07h 16m
60 mph (96.56 km/h)06h 04m
70 mph (112.65 km/h)05h 12m
80 mph (129 km/h)04h 32m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.85 gal
48.64 L · about $74.13
Round trip
$148.26
25.7 gal · 97.28 L
Estimated CO2
114.2 kg one way
Round trip: 228.4 kg / 504 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.77 $74.13 $148.26
Mid-grade $6.07 $77.95 $155.90
Premium $6.24 $80.22 $160.45
Diesel $7.57 $97.24 $194.47

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 19, 2026

There is no time difference between Diamond Bar and Stockton. The current time is 03:18:05.

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.