How far is San Diego, CA from Lamont, CA?
The driving distance from San Diego, CA to Lamont, CA is about 227.5 miles (366.2 km), with a travel time of about 04h 29m by car.
- The straight-line flight distance is about 202.3 miles (325.6 km).
- For a round trip, plan for roughly 08h 58m 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 04h 29m.
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.
City in Los Angeles County, California, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Light Rain then Partly Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Lamont.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Lamont.
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1
Start on Front Street
8 m · 6 sec · Front Street
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2
Turn left onto West Broadway
88 m · 12 sec · West Broadway
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3
Turn left onto 1st Avenue
3072 ft · 1 min · 1st Avenue
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4
Take the ramp left toward I 5 North: Los Angeles
1017 ft · 25 sec
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5
Merge slight left onto San Diego Freeway
13.5 mi · 16 min · San Diego Freeway
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6
Keep slight left to continue on San Diego Freeway
36.3 mi · 43 min · San Diego Freeway
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7
Keep slight right to continue on San Diego Freeway
18.1 mi · 21 min · San Diego Freeway
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8
Keep slight left to continue on San Diego Freeway
7.4 mi · 9 min · San Diego Freeway
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9
Keep slight right to continue on Bake Parkway
1.6 mi · 2 min
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10
Keep slight right
6 mi · 7 min
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11
Take the exit slight right toward Jamboree Road
1266 ft · 17 sec
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12
Continue straight
527 ft · 11 sec
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13
Turn right onto Jamboree Road
760 ft · 18 sec · Jamboree Road
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14
Turn left onto El Camino Real
2.2 mi · 5 min · El Camino Real
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15
Turn left onto Newport Avenue
109 m · 14 sec · Newport Avenue
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16
Take the ramp right toward I 5 North: Los Angeles
1127 ft · 17 sec
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17
Merge slight left onto Santa Ana Freeway
1.3 mi · 1 min · Santa Ana Freeway
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18
Keep slight right to continue on Santa Ana Freeway
1.7 mi · 2 min · Santa Ana Freeway
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19
Keep slight right to continue on Santa Ana Freeway
9.4 mi · 11 min · Santa Ana Freeway
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20
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
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21
Keep slight right to continue on Golden State Freeway
25.5 mi · 30 min · Golden State Freeway
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22
Keep slight left to continue on Golden State Freeway
2.2 mi · 3 min · Golden State Freeway
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23
Keep slight right to continue on I 5 Truck North, CA 14 Truck
1.5 mi · 2 min
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24
Keep slight left
36.1 mi · 42 min
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25
Keep slight left to continue on Golden State Freeway
22.3 mi · 25 min · Golden State Freeway
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26
Keep slight left to continue on Golden State Freeway
11.5 mi · 12 min · Golden State Freeway
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27
Take the exit slight right toward Union Anenue, Greenfield
1914 ft · 25 sec
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28
Continue on South Union Avenue
2.5 mi · 3 min · South Union Avenue
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29
Turn right onto East Bear Mountain Boulevard
5 mi · 7 min · East Bear Mountain Boulevard
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30
Enter the roundabout and take exit 3 toward Weedpatch Highway
65 m · 3 sec · Weedpatch Highway
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31
Exit the roundabout onto Weedpatch Highway
1.6 km · 1 min · Weedpatch Highway
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32
Enter the roundabout and take exit 2 toward Weedpatch Highway
49 m · 3 sec · Weedpatch Highway
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33
Exit the roundabout onto Weedpatch Highway
1.6 km · 1 min · Weedpatch Highway
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34
Continue on Main Street
1.5 mi · 2 min · Main Street
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35
Turn right onto Hall Road
7 m · 1 sec · Hall Road
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36
Arrive at your destination
0 m · 1 sec · Hall Road
Car Route Details
A richer read on the saved driving route between San Diego and Lamont.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
San Diego Freeway
Keep slight left to continue on San Diego Freeway
36.3 mi · 00h 43m
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.
Chance Rain Showers leaving San Diego and Chance Light Rain then Partly Sunny near Lamont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Lamont?
The road trip is about 227.5 miles (366.2 km) and usually takes 04h 29m 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?
Commerce is a useful midpoint, sitting about 113.8 miles from San Diego and 113.6 miles from Lamont.
How much longer is the road route than the straight-line distance?
The direct path is about 202.3 miles (325.6 km), while the road route adds roughly 25.2 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 8:02 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.33 one way or $92.65 round trip. Estimated CO2 is about 71.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around San Diego and Chance Light Rain then Partly Sunny near Lamont.
Stop Ideas Near Commerce
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bell Gardens Inn Los Angeles
City of South El Monte City Hall
City of Los Angeles
City Of El Monte Public Works Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Commerce.
Los Angeles Union Station
Glendale Transportation Center
Pasadena, California
Torrance, CA
Flight Path Map
This map shows the direct air route between San Diego and Lamont. Straight-line distance: 202.33 mi (325.62 km).
#1 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 |
#2 Lamont
Census-designated place in Kern County, California
| Population | 15,120 |
| Coordinates | 35.2596800, -118.9142700 |
| Altitude | 123 |
| Country | United States |
End: Lamont (-118.91427, 35.25968)
Estimated Travel Time
Distance: 366 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 34m |
| 40 mph (64.37 km/h) | 05h 41m |
| 50 mph (80.47 km/h) | 04h 33m |
| 60 mph (96.56 km/h) | 03h 47m |
| 70 mph (112.65 km/h) | 03h 15m |
| 80 mph (129 km/h) | 02h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $46.33 | $92.65 |
| Mid-grade | $6.07 | $48.71 | $97.42 |
| Premium | $6.24 | $50.13 | $100.26 |
| Diesel | $7.57 | $60.76 | $121.53 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.