How far is Kernville, CA from San Diego, CA?
The driving distance from Kernville, CA to San Diego, CA is about 286.1 miles (460.4 km), with a travel time of about 05h 17m by car.
- The straight-line flight distance is about 222 miles (357.2 km).
- For a round trip, plan for roughly 10h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 05h 17m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 San Bernardino County, California
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Kernville and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kernville and San Diego.
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1
Start on Big Blue Road
12 m · 8 sec · Big Blue Road
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2
Turn left onto Kernville Road
2373 ft · 49 sec · Kernville Road
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3
At the end of the road, turn right onto Sierra Way
13.2 mi · 23 min · Sierra Way
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4
At the end of the road, turn left onto Isabella Walker Pass Road
32.3 mi · 48 min · Isabella Walker Pass Road
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5
Turn left onto Midland Trail
2588 ft · 34 sec · Midland Trail
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6
Continue on Aerospace Highway
2.5 mi · 3 min · Aerospace Highway
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7
Turn right onto West Inyokern Road
4.7 mi · 8 min · West Inyokern Road
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8
Take the ramp right
1874 ft · 25 sec
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9
Merge slight left onto Blue Star Memorial Highway
24.4 mi · 29 min · Blue Star Memorial Highway
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10
Continue on Red Mountain Road
1.5 km · 2 min · Red Mountain Road
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11
Continue on Blue Star Memorial Highway
66.7 mi · 1 hr 21 min · Blue Star Memorial Highway
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12
Take the exit straight toward I 15 South: San Bernardino, Los Angeles
1.1 km · 1 min
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13
Merge slight left onto Barstow and Mojave Freeway
3.4 mi · 4 min · Barstow and Mojave Freeway
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14
Continue on CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway
5.6 mi · 6 min · CHP Officer Larry L. Wetterling and San Bernardino County Sheriff's Lieutenant Alfred E. Stewart Memorial Highway
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15
Continue on Barstow and Mojave Freeway
6.3 mi · 7 min · Barstow and Mojave Freeway
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16
Continue on Barstow Freeway
1095 ft · 13 sec · Barstow Freeway
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17
Keep slight left to continue on Barstow Freeway
9.3 mi · 10 min · Barstow Freeway
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18
Continue on San Bernardino Freeway
5.6 mi · 6 min · San Bernardino Freeway
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19
Continue on Riverside Freeway
5.3 mi · 6 min · Riverside Freeway
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20
Take the exit slight right toward I 215 South, CA 60 East: San Diego, Indio
5.1 mi · 6 min
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21
Keep slight right to continue on I 215, CA 60 Truck
2512 ft · 33 sec
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22
Keep slight right
36.3 mi · 41 min
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23
Continue on Avocado Highway
21.9 mi · 24 min · Avocado Highway
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24
Continue on Escondido Freeway
3.4 mi · 4 min · Escondido Freeway
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25
Keep slight right to continue on Escondido Freeway
8.7 mi · 10 min · Escondido Freeway
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26
Continue on Tony Gwynn Memorial Freeway
4.5 mi · 5 min · Tony Gwynn Memorial Freeway
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27
Continue on Escondido Freeway
3.1 mi · 4 min · Escondido Freeway
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28
Continue on Semper Fi Highway
2.2 mi · 3 min · Semper Fi Highway
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29
Take the exit slight right toward CA 163 South
1.2 km · 52 sec
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30
Continue on Cabrillo Freeway
8.2 mi · 9 min · Cabrillo Freeway
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31
Continue on Cabrillo Parkway
1.5 mi · 2 min · Cabrillo Parkway
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32
Continue on Cabrillo Parkway
1.3 km · 1 min · Cabrillo Parkway
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33
Continue on 10th Avenue
1507 ft · 42 sec · 10th Avenue
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34
Turn right onto Broadway
2811 ft · 1 min · Broadway
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35
Turn left onto Front Street
8 m · 1 sec · Front Street
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36
Arrive at your destination
0 m · 1 sec · Front Street
Car Route Details
A richer read on the saved driving route between Kernville and San Diego.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Blue Star Memorial Highway
Continue on Blue Star Memorial Highway
66.7 mi · 01h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Clear leaving Kernville 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 Kernville to San Diego?
The road trip is about 286.1 miles (460.4 km) and usually takes 05h 17m 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?
Mountain View Acres is a useful midpoint, sitting about 140.2 miles from Kernville and 145.8 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 222 miles (357.2 km), while the road route adds roughly 64.1 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 6:26 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $58.21 one way or $116.42 round trip. Estimated CO2 is about 89.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Kernville and Mostly Sunny near San Diego.
Flight Path Map
This map shows the direct air route between Kernville and San Diego. Straight-line distance: 221.97 mi (357.23 km).
#1 Kernville
Census-designated place in the southern Sierra Nevada, in Kern County, California, United States
| Population | 1,395 |
| Coordinates | 35.7546700, -118.4253600 |
| Altitude | 813 |
| Country | United States |
#2 San Diego
The eighth most populous city in the United States and the center of the San Diego metropolitan area.
| Population | 1,422,420 |
| Coordinates | 32.7157100, -117.1647200 |
| Altitude | 20 |
| Country | United States |
End: Front Street (-117.164717, 32.71571)
Estimated Travel Time
Distance: 460 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 31m |
| 40 mph (64.37 km/h) | 07h 09m |
| 50 mph (80.47 km/h) | 05h 43m |
| 60 mph (96.56 km/h) | 04h 46m |
| 70 mph (112.65 km/h) | 04h 05m |
| 80 mph (129 km/h) | 03h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $58.21 | $116.42 |
| Mid-grade | $6.07 | $61.21 | $122.41 |
| Premium | $6.24 | $62.99 | $125.98 |
| Diesel | $7.57 | $76.35 | $152.70 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.