How far is Stockton, CA from San Marino, CA?
The driving distance from Stockton, CA to San Marino, CA is about 342.1 miles (550.5 km), with a travel time of about 06h 19m by car.
- The straight-line flight distance is about 319.2 miles (513.7 km).
- For a round trip, plan for roughly 12h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM PDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 06h 19m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Census-designated place in Kings County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Stockton and San Marino.
Turn-by-Turn Driving Directions
Step-by-step road directions between Stockton and San Marino.
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1
Start on East Fremont Street
153 m · 31 sec · East Fremont Street
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2
Turn left onto North Center Street
2615 ft · 1 min · North Center Street
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3
Take the ramp slight right
1823 ft · 44 sec
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4
Keep slight left to continue on I 5 South
1 km · 1 min
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5
Merge slight left onto Westside Freeway
12.9 mi · 14 min · Westside Freeway
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6
Keep slight left to continue on Westside Freeway
1.2 km · 49 sec · Westside Freeway
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7
Keep slight left to continue on Westside Freeway
236.6 mi · 4 hr 14 min · Westside Freeway
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8
Keep slight right
58.4 mi · 1 hr 7 min
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9
Keep slight left to continue on Golden State Freeway
2 mi · 2 min · Golden State Freeway
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10
Take the exit slight right toward I 210 East: Pasadena
1347 ft · 18 sec
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11
Continue on Foothill Freeway
24.4 mi · 28 min · Foothill Freeway
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12
Keep slight right to continue on Foothill Freeway
2.1 mi · 2 min · Foothill Freeway
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13
Take the exit slight right toward Hill Avenue
1425 ft · 35 sec
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14
Turn straight onto East Corson Street
2744 ft · 55 sec · East Corson Street
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15
Turn right onto Allen Avenue
2119 ft · 1 min · Allen Avenue
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16
Turn left onto East Colorado Boulevard
1448 ft · 28 sec · East Colorado Boulevard
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17
Turn right onto San Marino Avenue
1.5 mi · 4 min · San Marino Avenue
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18
Turn straight onto Sierra Madre Boulevard
960 ft · 23 sec · Sierra Madre Boulevard
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19
Arrive at your destination
0 m · 1 sec · San Marino Avenue
Car Route Details
A richer read on the saved driving route between Stockton and San Marino.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Sunny leaving Stockton and Mostly Sunny near San Marino.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Stockton to San Marino?
The road trip is about 342.1 miles (550.5 km) and usually takes 06h 19m 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 171.1 miles from Stockton and 170.9 miles from San Marino.
How much longer is the road route than the straight-line distance?
The direct path is about 319.2 miles (513.7 km), while the road route adds roughly 22.9 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 $69.63 one way or $139.26 round trip. Estimated CO2 is about 107.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Stockton and Mostly Sunny near San Marino.
Stop Ideas Near Kettleman City
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Kettleman City.
Kettleman City, California
Lemoore, California
Corcoran station
Lemoore (Naval Air Station), California
Flight Path Map
This map shows the direct air route between Stockton and San Marino. Straight-line distance: 319.18 mi (513.67 km).
#1 Stockton
The fifth most populous city in California and the center of the Stockton metropolitan area.
| Population | 312,716 |
| Coordinates | 37.9577000, -121.2907800 |
| Altitude | 4 |
| Country | United States |
#2 San Marino
City in California, United States
| Population | 12,786 |
| Coordinates | 34.1214000, -118.1064600 |
| Altitude | 172 |
| Country | United States |
End: San Marino (-118.10646, 34.1214)
Estimated Travel Time
Distance: 551 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 23m |
| 40 mph (64.37 km/h) | 08h 33m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 42m |
| 70 mph (112.65 km/h) | 04h 53m |
| 80 mph (129 km/h) | 04h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $69.63 | $139.26 |
| Mid-grade | $6.07 | $73.22 | $146.43 |
| Premium | $6.24 | $75.35 | $150.71 |
| Diesel | $7.57 | $91.33 | $182.67 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.