How far is San Diego, CA from Santa Barbara, CA?
The driving distance from San Diego, CA to Santa Barbara, CA is about 218.2 miles (351.1 km), with a travel time of about 04h 17m by car.
- The straight-line flight distance is about 187.5 miles (301.7 km).
- For a round trip, plan for roughly 08h 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 04h 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.
A city in Los Angeles County, California.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Diego and Santa Barbara.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Diego and Santa Barbara.
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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 right to continue on San Joaquin Hills Transportation Corridor
14.1 mi · 16 min · San Joaquin Hills Transportation Corridor
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9
Continue on Corona Del Mar Freeway
4 mi · 5 min · Corona Del Mar Freeway
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10
Merge slight left onto San Diego Freeway
9.6 mi · 11 min · San Diego Freeway
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11
Keep slight left
42.5 mi · 49 min
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12
Take the exit slight right toward US 101 North, US 101 South: Ventura, Los Angeles
3062 ft · 1 min
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13
Keep slight left to continue on US 101 North: Ventura
3235 ft · 1 min
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14
Merge slight right onto Ventura Freeway
46.9 mi · 54 min · Ventura Freeway
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15
Keep slight left
18.5 mi · 21 min
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16
Continue on El Camino Real
11.8 mi · 14 min · El Camino Real
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17
Take the exit slight right toward Laguna Street, Garden Street
1044 ft · 25 sec
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18
Keep slight left to continue on Garden Street-Downtown
741 ft · 22 sec
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19
Turn right onto Garden Street
2364 ft · 1 min · Garden Street
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20
Turn left onto East de la Guerra Street
157 m · 20 sec · East de la Guerra Street
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21
Turn right onto Santa Barbara Street
16 m · 7 sec · Santa Barbara Street
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22
Turn left onto East De La Guerra Street
157 m · 27 sec · East De La Guerra Street
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23
Turn left onto Anacapa Street
13 m · 1 sec · Anacapa Street
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24
Arrive at your destination
0 m · 1 sec · Anacapa Street
Car Route Details
A richer read on the saved driving route between San Diego and Santa Barbara.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Ventura Freeway
Merge slight right onto Ventura Freeway
46.9 mi · 00h 54m
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 Sunny leaving San Diego and Mostly Sunny near Santa Barbara.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Diego to Santa Barbara?
The road trip is about 218.2 miles (351.1 km) and usually takes 04h 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?
Carson is a useful midpoint, sitting about 109.1 miles from San Diego and 109.1 miles from Santa Barbara.
How much longer is the road route than the straight-line distance?
The direct path is about 187.5 miles (301.7 km), while the road route adds roughly 30.7 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 8:26 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.42 one way or $88.84 round trip. Estimated CO2 is about 68.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Diego and Mostly Sunny near Santa Barbara.
Stop Ideas Near Carson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Bell Gardens Inn Los Angeles
City of Los Angeles
Palos Verdes Estates City Hall
Westminster Civic Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Carson.
Torrance, CA
San Pedro (Catalina Terminal), California
Long Beach, California
San Pedro (Downtown), California
Flight Path Map
This map shows the direct air route between San Diego and Santa Barbara. Straight-line distance: 187.48 mi (301.72 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 Santa Barbara
The most populous city in Santa Barbara County, California.
| Population | 90,254 |
| Coordinates | 34.4208300, -119.6981900 |
| Altitude | 15 |
| Country | United States |
End: Santa Barbara (-119.69819, 34.42083)
Estimated Travel Time
Distance: 351 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 16m |
| 40 mph (64.37 km/h) | 05h 27m |
| 50 mph (80.47 km/h) | 04h 21m |
| 60 mph (96.56 km/h) | 03h 38m |
| 70 mph (112.65 km/h) | 03h 06m |
| 80 mph (129 km/h) | 02h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $44.42 | $88.84 |
| Mid-grade | $6.07 | $46.71 | $93.42 |
| Premium | $6.24 | $48.07 | $96.14 |
| Diesel | $7.57 | $58.27 | $116.53 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.