How far is Santa Ana, CA from San Luis Obispo, CA?
The driving distance from Santa Ana, CA to San Luis Obispo, CA is about 223 miles (358.9 km), with a travel time of about 04h 30m by car.
- The straight-line flight distance is about 191.1 miles (307.6 km).
- For a round trip, plan for roughly 09h 00m 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 30m.
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 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 Santa Ana and San Luis Obispo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Santa Ana and San Luis Obispo.
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1
Start on West 1st Street
576 ft · 16 sec · West 1st Street
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2
Turn right onto North Broadway
1.5 mi · 3 min · North Broadway
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3
Turn right onto West Santa Clara Avenue
615 ft · 14 sec · West Santa Clara Avenue
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4
Continue on I 5 North: Los Angeles
1787 ft · 27 sec
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5
Merge slight left onto Santa Ana Freeway
8.9 mi · 10 min · Santa Ana Freeway
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6
Keep slight right to continue on Santa Ana Freeway
18 mi · 21 min · Santa Ana Freeway
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7
Keep slight right to continue on Golden State Freeway
10.7 mi · 13 min · Golden State Freeway
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8
Take the exit slight right toward CA 134 West: Ventura Freeway, Ventura
1842 ft · 24 sec
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9
Merge slight right onto Ventura Freeway
2950 ft · 38 sec · Ventura Freeway
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10
Keep slight right to continue on Ventura Freeway
1.9 mi · 2 min · Ventura Freeway
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11
Keep slight right to continue on Ventura Freeway
1.2 km · 53 sec · Ventura Freeway
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12
Keep slight right to continue on Ventura Freeway
54.7 mi · 1 hr 3 min · Ventura Freeway
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13
Keep slight left
18.5 mi · 21 min
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14
Continue on El Camino Real
16.4 mi · 19 min · El Camino Real
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15
Take the exit slight right toward CA 154: State Street, Cachuma Lake
1127 ft · 29 sec
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16
Continue on Calle Real
1672 ft · 40 sec · Calle Real
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17
Turn right onto Chumash Highway
23.9 mi · 33 min · Chumash Highway
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18
Enter the roundabout and take exit 2 toward Chumash Highway
35 m · 2 sec · Chumash Highway
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19
Exit the roundabout onto Chumash Highway
2.2 mi · 3 min · Chumash Highway
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20
Enter the roundabout and take exit 2 toward Chumash Highway
43 m · 2 sec · Chumash Highway
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21
Exit the roundabout onto Chumash Highway
6.3 mi · 10 min · Chumash Highway
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22
Take the ramp right toward US 101 North
1138 ft · 31 sec
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23
Merge slight left
56.5 mi · 1 hr 5 min
-
24
Take the exit slight right toward Osos Street
139 m · 11 sec
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25
Continue on Osos Street
1586 ft · 1 min · Osos Street
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26
Turn left onto Monterey Street
620 ft · 23 sec · Monterey Street
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27
Arrive at your destination
0 m · 1 sec · Monterey Street
Car Route Details
A richer read on the saved driving route between Santa Ana and San Luis Obispo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 101 North
Merge slight left
56.5 mi · 01h 05m
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 Santa Ana and Mostly Sunny near San Luis Obispo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Santa Ana to San Luis Obispo?
The road trip is about 223 miles (358.9 km) and usually takes 04h 30m 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?
Carpinteria is a useful midpoint, sitting about 111.5 miles from Santa Ana and 111.6 miles from San Luis Obispo.
How much longer is the road route than the straight-line distance?
The direct path is about 191.1 miles (307.6 km), while the road route adds roughly 31.9 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 8:00 AM PDT. If you want a more comfortable same-day return, try to leave by 8:00 AM PDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.40 one way or $90.80 round trip. Estimated CO2 is about 69.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Santa Ana and Mostly Sunny near San Luis Obispo.
Stop Ideas Near Carpinteria
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Motel 6 Carpinteria, CA - Santa Barbara - South
Ventura City Hall (formerly the Ventura County Courthouse - California Historical Landmark #847)
San Buenaventura City Hall
Housing Authority of the City of Sanbuenaventura ( Main Office)
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Carpinteria.
Carpinteria station
Santa Barbara
Ventura
Goleta station
Flight Path Map
This map shows the direct air route between Santa Ana and San Luis Obispo. Straight-line distance: 191.15 mi (307.62 km).
#1 Santa Ana
The most populous city in Orange County, California and the center of the Santa Ana metropolitan area.
| Population | 331,301 |
| Coordinates | 33.7455700, -117.8678300 |
| Altitude | 35 |
| Country | United States |
#2 San Luis Obispo
A city in San Luis Obispo County, California.
| Population | 47,590 |
| Coordinates | 35.2827500, -120.6596200 |
| Altitude | 71 |
| Country | United States |
End: San Luis Obispo (-120.65962, 35.28275)
Estimated Travel Time
Distance: 359 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 25m |
| 40 mph (64.37 km/h) | 05h 34m |
| 50 mph (80.47 km/h) | 04h 27m |
| 60 mph (96.56 km/h) | 03h 43m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $5.77 | $45.40 | $90.80 |
| Mid-grade | $6.07 | $47.74 | $95.48 |
| Premium | $6.24 | $49.13 | $98.26 |
| Diesel | $7.57 | $59.55 | $119.10 |
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.